Twinstudy

Twin study at Helsinki University in English

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Original articles and research reports

2016

2015

2014

2013

2012

658.  Haas BE, Horvath S, Pietiläinen KH, Cantor RM, Nikkola E, Weissglas-Volkov D et al. Adipose Co-expression networks across Finns and Mexicans identify novel triglyceride-associated genes. BMC medical genomics. 2012 Dec 6;5: Article Number: 61. Available from: 10.1186/1755-8794-5-61

659. Surakka I, Whitfield JB, Perola M, Visscher PM, Montgomery GW, Falchi M et al. A Genome-Wide Association Study of Monozygotic Twin-Pairs Suggests a Locus Related to Variability of Serum High-Density Lipoprotein Cholesterol. Twin Research and Human Genetics. 2012 Dec;15(6):691-699. Available from: 10.1017/thg.2012.63

660.  Rintakoski K, Hublin C, Lobbezoo F, Rose RJ, Kaprio J. Genetic Factors Account for Half of the Phenotypic Variance in Liability to Sleep-Related Bruxism in Young Adults: A Nationwide Finnish Twin Cohort Study. Twin Research and Human Genetics. 2012 Dec;15(6):714-719. Available from: 10.1017/thg.2012.54

661.  Ahtiainen M, Alen M, Pollanen E, Pulkkinen S, Ronkainen PHA, Kujala UM et al. Hormone therapy is associated with better body composition and adipokine/glucose profiles: a study with monozygotic co-twin control design. Menopause. 2012 Dec;19(12):1329-1335. Available from: 10.1097/gme.0b013e31825a334

662.  Kinnunen T, Korhonen T, Kaprio J. Mitä uutta tupakkariippuvuudesta ja sen hoidosta?. Suomen lääkärilehti. 2012 Nov 30;67(48):3559-3563.

664 Vuoksimaa E, Kaprio J, Eriksson P, Rose RJ. Pubertal testosterone predicts mental rotation performance of young adult males. Psychoneuroendocrinology. 2012 Nov 1;37(11):1791-1800. Available from: 10.1016/j.psyneuen.2012.03.013

665.  Ropponen A, Silventoinen K, Svedberg P, Alexanderson K, Huunan-Seppala A, Koskenvuo K et al. Effects of Work and Lifestyle on Risk for Future Disability Pension Due to Low Back Diagnoses A 30-Year Prospective Study of Finnish Twins. Journal of Occupational and Environmental Medicine. 2012 Nov;54(11):1330-1336. Available from: 10.1097/JOM.0b013e3182775881

666.  Kaprio J. Twins and the mystery of missing heritability: the contribution of gene-environment interactions. Journal of internal medicine. 2012 Nov;272(5):440-448. Available from: 10.1111/j.1365-2796.2012.02587.x

667.  Knaster P, Estlander A-M, Karlsson H, Kaprio J, Kalso E. Temperament Traits and Chronic Pain: The Association of Harm Avoidance and Pain-Related Anxiety. PLoS One. 2012 Oct 25;7(10):Article Number: e45672. Available from: 10.1371/journal.pone.0045672

668.  Törnwall O, Silventoinen K, Kaprio J, Tuorila H. Why do some like it hot? Genetic and environmental contributions to the pleasantness of oral pungency. Physiology & Behavior. 2012 Oct 10;107(3):381-389. Available from: 10.1016/j.physbeh.2912.09.010

669.  Boraska V, Davis OSP, Cherkas LF, Helder SG, Harris J, Krug I et al. Genome-wide association analysis of eating disorder-related symptoms, behaviors, and personality traits. American journal of medical genetics. Part B, Neuropsychiatric genetics. 2012 Oct 1;159B(7):803-811. Available from: 10.1002/ajmg.b.32087

670.  Kajantie E, Pietilainen KH, Wehkalampi K, Kananen L, Räikkönen K, Rissanen A et al. No association between body size at birth and leucocyte telomere length in adult life-evidence from three cohort studies. International Journal of Epidemiology. 2012 Oct 1;41(5):1400-1408. Available from: 10.1093/ije/dys127

671.  DIAbet Genetics Replication. Large-scale association analyses identify new loci influencing glycemic traits and provide insight into the underlying biological pathways. Nature Genetics. 2012 Sep 1;44(9):991+. Available from: 10.1038/ng.2385

672.  de Hollander EL, Bemelmans WJE, Boshuizen HC, Friedrich N, Wallaschofski H, Guallar-Castillon P et al. The association between waist circumference and risk of mortality considering body mass index in 65-to 74-year-olds: a meta-analysis of 29 cohorts involving more than 58 000 elderly persons. International Journal of Epidemiology. 2012 Jun;41(3):805-817. Available from: 10.1093/ije/dys008

673.  Fox CS, Liu Y, White CC, Feitosa M, Smith AV, Heard-Costa N et al. Genome-Wide Association for Abdominal Subcutaneous and Visceral Adipose Reveals a Novel Locus for Visceral Fat in Women. PLoS Genetics. 2012 May;8(5):Article Number: e1002695. Available from: 10.1371/journal.pgen.1002695

674Korhonen T, Latvala A, Dick DM, Pulkkinen L, Rose RJ, Kaprio J et al. Genetic and environmental influences underlying externalizing behaviors, cigarette smoking and illicit drug use across adolescence. Behavior Genetics. 2012 Feb 18;42(4):614-625. Available from: 10.1007/s10519-012-9528-z

676.  Sullivan P, 96 Psychiat Genetics Investigators, Kaprio J. Don't give up on GWAS. Molecular Psychiatry. 2012 Jan;17(1):2-3. Available from: 10.1038/mp.2011.94

677.  Manning AK, Hivert M-F, Scott RA, Grimsby JL, Bouatia-Naji N, Chen H et al. A genome-wide approach accounting for body mass index identifies genetic variants influencing fasting glycemic traits and insulin resistance. Nature Genetics. 2012;44(6):659-U81. Available from: 10.1038/ng.2274

678.  Ahtiainen M, Pöllänen E, Ronkainen PHA, Alen M, Puolakka J, Kaprio J et al. Age and estrogen-based hormone therapy affect systemic and local IL-6 and IGF-1 pathways in women. Age. 2012;34(5):1249-1260. Available from: 10.1007/s11357-011-9298-1

679.  Broms U, Wedenoja J, Largeau MR, Korhonen T, Pitkäniemi JM, Keskitalo K et al. Analysis of Detailed Phenotype Profiles Reveals CHRNA5-CHRNA3-CHRNB4 Gene Cluster Association With Several Nicotine Dependence Traits. Nicotine & Tobacco Research. 2012;14(6):720-733. Available from: 10.1093/ntr/ntr283

680.  Hukkinen M, Korhonen T, Heikkilä KV, Kaprio J. Association between smoking behavior patterns and chronic obstructive pulmonary disease: A long-term follow-up study among Finnish adults. Annals of Medicine. 2012;44(6):598-606. Available from: 10.3109/07853890.2011.580776

681.  Naukkarinen J, Rissanen A, Kaprio J, Pietiläinen KH. Causes and consequences of obesity: the contribution of recent twin studies. International Journal of Obesity. 2012;36(8):1017-1024. Available from: 10.1038/ijo.2011.192

682.  Keskitalo K, Hällfors JK, Broms U, Pergadia ML, Saccone SF, Loukola A et al. Chromosome 20 Shows Linkage With DSM-IV Nicotine Dependence in Finnish Adult Smokers. Nicotine & Tobacco Research. 2012;14(2):153-160. Available from: 10.1093/ntr/ntr153

683.  Pietiläinen KH, Kaprio J, Vaaralahti K, Rissanen A, Raivio T. Circulating Anti-Mullerian Hormone Levels in Adult Men Are under a Strong Genetic Influence. Journal of Clinical Endocrinology and Metabolism. 2012;97(1):E161-E164. Available from: 10.1210/jc.2011-1697

685.  Pietilainen KH, Saarni SE, Kaprio J, Rissanen A. Does dieting make you fat?: A twin study. International Journal of Obesity. 2012;36(3):456-464. Available from: 10.1038/ijo.2011.160

686.  Graner MA, Seppälä-Lindroos A, Rissanen A, Hakkarainen A, Lundbom N, Kaprio J et al. Epicardial Fat, Cardiac Dimensions, and Low-Grade Inflammation in Young Adult Monozygotic Twins Discordant for Obesity. American Journal of Cardiology. 2012;109(9):1295-1302. Available from: 10.1016/j.amjcard.2011.12.023

687.  Viljanen A, Kulmala J, Rantakokko M, Koskenvuo M, Kaprio J, Rantanen T. Fear of falling and coexisting sensory difficulties as predictors of mobility decline in older women. Journals of Gerontology. Series A: Biological Sciences and Medical Sciences. 2012;67(11):1230-1237. Available from: 10.1093/gerona/gls134

688.  Mustelin L, Joutsi J, Latvala A, Pietiläinen KH, Rissanen A, Kaprio J. Genetic Influences on Physical Activity in Young Adults: A Twin Study. Medicine and Science in Sports and Exercise. 2012;44(7):1293-1301. Available from: 10.1249/MSS.0b013e3182479747

689. Ortega-Alonso A, Pietiläinen KH, Silventoinen K, Saarni SE, Kaprio J. Genetic and Environmental Factors Influencing BMI Development from Adolescence to Young Adulthood. Behavior Genetics. 2012;42(1):73-85. Available from: 10.1007/s10519-011-9492-z

690.  Lajunen H-R, Kaprio J, Rose RJ, Pulkkinen L, Silventoinen K. Genetic and Environmental Influences on BMI From Late Childhood to Adolescence are Modified by Parental Education. Obesity. 2012;20(3):583-589. Available from: 10.1038/oby.2011.304

691.  Heinonen-Guzejev M, Vuorinen HS, Mussalo-Rauhamaa H, Heikkilä KV, Koskenvuo M, Kaprio J. Genetic component of noise sensitivity. 2012;3743-3750.

692.  Tornwall O, Silventoinen K, Keskitalo-Vuokko K, Perola M, Kaprio J, Tuorila H. Genetic contribution to sour taste preference. Appetite. 2012;58(2):687-694. Available from: 10.1016/j.appet.2011.12.020

693.  Boraska V, Day-Williams A, Franklin CS, Elliott KS, Panoutsopoulou K, Tachmazidou I et al. Genome-Wide Association Study to Identify Common Variants Associated with Brachial Circumference: A Meta-Analysis of 14 Cohorts. PLoS One. 2012;7(3):Article Number: e31369. Available from: 10.1371/journal.pone.0031369

694.  Freilinger T, Anttila V, de Vries B, Malik R, Kallela KMJ, Terwindt GM et al. Genome-wide association analysis identifies susceptibility loci for migraine without aura. Nature Genetics. 2012;44(7):777-U205. Available from: 10.1038/ng.2307

695.  Kettunen J, Tukiainen T, Sarin A-P, Ortega-Alonso A, Tikkanen E, Lyytikainen L-P et al. Genome-wide association study identifies multiple loci influencing human serum metabolite levels. Nature Genetics. 2012;44(3):269-276. Available from: 10.1038/ng.1073

696.  van Erp TGM, Thompson PM, Kieseppä T, Bearden CE, Marino AC, Hoftman GD et al. Hippocampal morphology in lithium and non-lithium-treated bipolar I disorder patients, non-bipolar co-twins, and control twins. Human Brain Mapping. 2012;33(3):501-510. Available from: 10.1002/hbm.21239

697.  Billings LK, Hsu Y-H, Ackerman RJ, Dupuis J, Voight BF, Rasmussen-Torvik LJ et al. Impact of Common Variation in Bone-Related Genes on Type 2 Diabetes and Related Traits. Diabetes. 2012;61(8):2176-2186. Available from: 10.2337/db11-1515

698.  Hartz SM, Short SE, Saccone NL, Culverhouse R, Chen L, Schwantes-An T-H et al. Increased Genetic Vulnerability to Smoking at CHRNA5 in Early-Onset Smokers. Archives of General Psychiatry. 2012;69(8):854-861. Available from: 10.1001/archgenpsychiatry.2012.124

699.  Aaltonen S, Leskinen T, Morris T, Alen M, Kaprio J, Liukkonen J et al. Motives for and barriers to physical activity in twin pairs discordant for leisure time physical activity for 30 years. International journal of sports medicine. 2012;33(2):157-163. Available from: 10.1055/s-0031-1287848

700.  Korhonen T, Kaprio J. Nikotiiniriippuvuuden genetiikka. Duodecim. 2012;128(10):1065-1071.

702. Heinonen-Guzejev M, Koskenvuo M, Mussalo-Rauhamaa H, Vuorinen HS, Heikkilä KV, Kaprio J. Noise sensitivity and multiple chemical sensitivity scales: Properties in a population based epidemiological study. Noise & Health. 2012;14(60):215-223. Available from: 10.4103/1463-1741.102956

703.  Dastani Z, Hivert M-F, Timpson N, Perry JRB, Yuan X, Scott RA et al. Novel Loci for Adiponectin Levels and Their Influence on Type 2 Diabetes and Metabolic Traits: A Multi-Ethnic Meta-Analysis of 45,891 Individuals. PLoS Genetics. 2012;8(3):e1002607. Available from: 10.1371/journal.pgen.1002607

704.  Kaye SM, Pietiläinen KH, Kotronen A, Joutsi-Korhonen L, Kaprio J, Yki-Järvinen H et al. Obesity-Related Derangements of Coagulation and Fibrinolysis: A Study of Obesity-Discordant Monozygotic Twin pairs. Obesity. 2012;20(1):88-94. Available from: 10.1038/oby.2011.287

705.  Salmela-Aro K, Read S, Nurmi J-E, Vuoksimaa E, Siltala M, Dick DM et al. Personal goals and personality traits among young adults: Genetic and environmental effects. Journal of Research in Personality. 2012;46(3):248-257. Available from: 10.1016/j.jrp.2012.01.007

706.  Ropponen A, Svedberg P, Huunan-Seppälä A, Koskenvuo K, Koskenvuo M, Alexanderson K et al. Personality traits and life dissatisfaction as risk factors for disability pension due to low back diagnoses: A 30-year longitudinal cohort study of Finnish twins. Journal of Psychosomatic Research. 2012;73(4):289-294. Available from: 10.1016/j.jpsychores.2012.07.003

707.  Oresic M, Seppänen-Laakso T, Sun D, Tang J, Therman S, Viehman R et al. Phospholipids and insulin resistance in psychosis: a lipidomics study of twin pairs discordant for schizophrenia. Genome medicine. 2012;4(1). Available from: 10.1186/gm300

708.  Knaapila A, Tuorila H, Vuoksimaa E, Keskitalo-Vuokko K, Rose RJ, Kaprio J et al. Pleasantness of the odor of androstenone as a function of sexual intercourse experience in women and men. Archives of Sexual Behavior. 2012;41(6):1403-1408. Available from: 10.1007/s10508-011-9804-7

709.  Widen E, Silventoinen K, Sovio U, Ripatti S, Cousminer DL, Hartikainen A-L et al. Pubertal Timing and Growth Influences Cardiometabolic Risk Factors in Adult Males and Females. Diabetes Care. 2012;35(4):850-856. Available from: 10.2337/dc11-1365

710.  Koivumaa-Honkanen H, Kaprio J, Korhonen T, Honkanen RJ, Heikkila K, Koskenvuo M. Self-reported life satisfaction and alcohol use: A 15-year follow-up of healthy adult twins. Alcohol and Alcoholism. 2012;47(2):160-168. Available from: 10.1093/alcalc/agr151

711.  King DP, Paciga S, Pickering E, Benowitz NL, Bierut LJ, Conti DV et al. Smoking cessation pharmacogenetics: Analysis of varenicline and bupropion in placebo-controlled clinical trials. Neuropsychopharmacology. 2012;37(3):641-650. Available from: 10.1038/npp.2011.232

712.  Saito-Nakaya K, Bidstrup PE, Nakaya N, Frederiksen K, Dalton SO, Uchitomi Y et al. Stress and survival after cancer: A prospective study of a Finnish population-based cohort. Cancer Epidemiology. 2012;36(2):230-235. Available from: 10.1016/j.canep.2011.04.008

713.  Ollila HM, Utge S, Kronholm E, van Leeuwen W, Silander K, Partonen T et al. TRIB1 constitutes a molecular link between regulation of sleep and lipid metabolism in humans. Translational Psychiatry. 2012;2(3):e97. Available from: 10.1038/tp.2012.20

714.  Korhonen T, Kinnunen T, Kaprio J. Tobaksepidemin: epdemiologi, etiologi och behandling. Finska Läkaresällskapets Handlingar. 2012;172(2):34-39.

716.  Kulmala J, Sipilä S, Tiainen K, Pärssinen O, Koskenvuo M, Kaprio J et al. Vision in relation to lower extremity deficit in older women; cross-sectional and longitudinal study. Aging Clinical and Experimental Research. 2012;24(5):461-467. Available from: 10.3275/8185

718.  Salmela-Aro K, Read S, Korhonen T, Vuoksimaa E, Rose R, Kaprio J. Young Adults Developmental Task-related Goals Modify the Association between Self-focused Goals and Depressive Symptoms. Applied Psychology : Health and Well-Being. 2012;4(1):106-125. Available from: 10.1111/j.1758-0854.2011.01064.x

2011

584. Pergadia ML, Glowinski AL, Wray NR, Agrawal A, Saccone SF, Loukola A et al.  A 3p26-3p25 Genetic Linkage Finding for DSM-IV Major Depression in Heavy Smoking Families. American Journal of Psychiatry. 2011;168(8):848-852. Available from: 10.1176/appi.ajp.2011.10091319

585. Obeidat M, Wain LV, Shrine N, Kalsheker N, Artigas MS, Repapi E et al. A Comprehensive Evaluation of Potential Lung Function Associated Genes in the SpiroMeta General Population Sample. PLoS One. 2011;6(5):-. Available from: 10.1371/journal.pone.0019382

586. Surakka I, Isaacs A, Karssen LC, Laurila P-PP, Middelberg RPS, Tikkanen E et al. A Genome-Wide Screen for Interactions Reveals a New Locus on 4p15 Modifying the Effect of Waist-to-Hip Ratio on Total Cholesterol. PLoS Genetics. 2011;7(10):e1002333. Available from: 10.1371/journal.pgen.1002333

587. Koskinen SM, Ahveninen J, Kujala T, Kaprio J, O'Donnell BF, Osipova D et al. A Longitudinal Twin Study of Effects of Adolescent Alcohol Abuse on the Neurophysiology of Attention and Orienting. Alcoholism: Clinical and Experimental Research. 2011;35(7):1339-1350. Available from: 10.1111/j.1530-0277.2011.01470.x

588. Bevilacqua L, Doly S, Kaprio J, Yuan Q, Tikkanen R, Paunio T et al. A population-specific HTR2B stop codon predisposes to severe impulsivity (vol 468, pg 1061, 2010). Nature. 2011;470(7334). Available from: 10.1038/nature09808

589. Kaprio J, Silventoinen K. Advanced methods in twin studies. Methods in molecular biology.  2011;713(4):143-152. Available from: 10.1007/978-1-60327-416-6_11

590. Bogl L-H, Latvala A, Kaprio J, Sovijärvi O, Rissanen A, Pietiläinen KH. An investigation into the relationship between soft tissue body composition and bone mineral density in a young adult twin sample. Journal of Bone and Mineral Research. 2011;26(1):79-87. Available from: 10.1002/jbmr.192

591. Laitala VS, Kaprio J, Koskenvuo M, Raiha I, Rinne JO, Silventoinen K. Association and Causal Relationship of Midlife Obesity and Related Metabolic Disorders with Old Age Cognition. Current Alzheimer research. 2011;8(6):699-706.

592. Pietiläinen KH, Rog T, Seppanen-Laakso T, Virtue S, Gopalacharyulu P, Tang J et al. Association of Lipidome Remodeling in the Adipocyte Membrane with Acquired Obesity in Humans. PLoS Biology. 2011;9(6):-. Available from: 10.1371/journal.pbio.1000623

593. Mustelin L, Latvala A, Pietiläinen KH, Piirilä P, Sovijärvi A, Kujala UM et al. Associations between sports participation, cardiorespiratory fitness, and adiposity in young adult twins. Journal of Applied Physiology. 2011;110(3):681-686. Available from: 10.1152/japplphysiol.00753.2010

594. Keskitalo-Vuokko K, Pitkaniemi J, Broms U, Heliovaara M, Aromaa A, Perola M et al. Associations of Nicotine Intake Measures With CHRN Genes in Finnish Smokers. Nicotine & Tobacco Research. 2011;13(8):686-690. Available from: 10.1093/ntr/ntr059

595. Törnwall O, Dinnella C, Keskitalo-Vuokko K, Silventoinen K, Perola M, Monteleone E et al. Astringency perception and heritability among young Finnish twins. Chemosensory perception. 2011;4(4):134-144. Available from: 10.1007/s12078-011-9098-0

596. FinnDiane study group. Bacterial Endotoxin Activity in Human Serum Is Associated With Dyslipidemia, Insulin Resistance, Obesity, and Chronic Inflammation. Diabetes Care. 2011;34(8):1809-1815. Available from: 10.2337/dc10-2197

597. Näkki AE, Videman T, Kujala UM, Suhonen M, Männikkö M, Palotie L et al. Candidate Gene Association Study of Magnetic Resonance Imaging-based Hip Osteoarthritis (OA): Evidence for COL9A2 Gene as a Common Predisposing Factor for Hip OA and Lumbar Disc Degeneration. Journal of Rheumatology. 2011;38(4):747-752. Available from: 10.3899/jrheum.100080

598. Korhonen T, Koivumaa-Honkanen H, Varjonen J, Broms UH, Koskenvuo M, Kaprio J. Cigarette smoking and dimensions of depressive symptoms: Longitudinal analysis among Finnish male and female twins. Nicotine & Tobacco Research. 2011;13(4):261-272. Available from: 10.1093/ntr/ntq251

599. Korja M, Kaprio J. Commentary on the article "Intracranial aneurysms in twins: case report and review of the literature". Hong Kong Medical Journal. 2011;17(6):514.

600. Edwards AC, Sihvola E, Korhonen T, Pulkkinen L, Moilanen I, Kaprio J et al. Depressive Symptoms and Alcohol Use are Genetically and Environmentally Correlated Across Adolescence. Behavior Genetics. 2011;41(4):476-487. Available from: 10.1007/s10519-010-9400-y

601. Bogl L-H, Maranghi M, Rissanen A, Kaprio J, Taskinen M-R, Pietiläinen KH. Dietary omega-3 polyunsaturated fatty acid intake is related to a protective high-density lipoprotein subspecies profile independent of genetic effects: A monozygotic twin pair study. Atherosclerosis. 2011;219(2):880-886. Available from: 10.1016/j.atherosclerosis.2011.09.010

602. Scheinin NM, Aalto S, Kaprio J, Koskenvuo M, Raiha I, Rokka J et al. Early detection of Alzheimer disease (11)C-PiB PET in twins discordant for cognitive impairment. Neurology. 2011;77(5):453-460. Available from: 10.1212/WNL.0b013e318225118e

603. Broms UH, Kaprio J, Hublin C, Partinen M, Madden PA, Koskenvuo M. Evening types are more often current smokers and nicotine-dependent: a study of Finnish adult twins. Addiction. 2011;106(1):170-177. Available from: 10.1111/j.1360-0443.2010.03112.x

604. Knaapila A, Silventoinen K, Broms UH, Rose RJ, Perola M, Kaprio J et al. Food neophobia in young adults: genetic architecture and relation to personality, pleasantness and use frequency of foods, and body mass index - A twin study. Behavior Genetics. 2011;41(4):512-521. Available from: 10.1007/s10519-010-9403-8

605. Latvala A, Dick DM, Tuulio-Henriksson A, Suvisaari J, Viken RJ, Rose RJ et al. Genetic Correlation and Gene-Environment Interaction Between Alcohol Problems and Educational Level in Young Adulthood. Journal of Studies on Alcohol and Drugs. 2011;72(2):210-220.

606. Korhonen T, Kaprio J.  Genetic Epidemiology of Smoking Behavior and Nicotine Dependence. Encyclopedia of life sciences. 2011;2011. Available from: 10.1002/9780470015902.a0023476

607. Narusyte J, Ropponen A, Silventoinen K, Alexanderson K, Kaprio J, Samuelsson A et al. Genetic Liability to Disability Pension in Women and Men: A Prospective Population-Based Twin Study. PLoS One. 2011;6(8):-. Available from: 10.1371/journal.pone.0023143

608. Jelenkovic A, Ortega-Alonso A, Rose RJ, Kaprio J, Rebato E, Silventoinen K. Genetic and Environmental Influences on Growth from Late Childhood to Adulthood: A Longitudinal Study of Two Finnish Twin Cohorts. American Journal of Human Biology. 2011;23(6):764-773. Available from: 10.1002/ajhb.21208

609. Demirkan A, Amin N, Isaacs A, Jarvelin M-R, Whitfield JB, Wichmann H-E et al. Genetic architecture of circulating lipid levels. European Journal of Human Genetics. 2011;19(7):813-819. Available from: 10.1038/ejhg.2011.21

610. Latvala A, Tuulio-Henriksson A, Dick DM, Vuoksimaa E, Viken RJ, Suvisaari J et al. Genetic origins of the association between verbal ability and alcohol dependence symptoms in young adulthood. Psychological Medicine. 2011;41(3):641-651. Available from: 10.1017/S0033291710001194

611. Modig K, Silventoinen K, Tynelius P, Kaprio J, Rasmussen F. Genetics of the association between intelligence and nicotine dependence: a study of male Swedish twins. Addiction. 2011;106(5):995-1002. Available from: 10.1111/j.1360-0443.2011.03384.x

612. NASH CRN, GIANT Consortium, MAGIC Investigators, DIAGRAM Consortium, Pietiläinen KH, Lokki M-L. Genome-wide association analysis identifies variants associated with nonalcoholic fatty liver diseases that have distinct effects on metabolic traits. PLoS Genetics. 2011;7(3):Article Number: e1001324 .Available from: 10.1371/journal.pgen.1001324

613. Schumann G, Coin LJ, Lourdusamy A, Charoen P, Berger KH, Stacey D et al. Genome-wide association and genetic functional studies identify autism susceptibility candidate 2 gene (AUTS2) in the regulation of alcohol consumption. Proceedings of the National Academy of Sciences of the United States of America. 2011;108(17):7119-7124. Available from: 10.1073/pnas.1017288108

614. Schumann G, Coin LJ, Lourdusamy A, Charoen P, Berger KH, Stacey D et al. Genome-wide association and genetic functional studies identify autism susceptibility candidate 2 gene (AUTS2) in the regulation of alcohol consumption (vol 108, pg 7119, 2011). Proceedings of the National Academy of Sciences of the United States of America. 2011;108(22):9316-9316. Available from: 10.1073/pnas.1106917108

615. Artigas MS, Loth DW, Wain LV, Gharib SA, Obeidat M, Tang W et al. Genome-wide association and large-scale follow up identifies 16 new loci influencing lung function. Nature Genetics. 2011;43(11):1082-U70. Available from: 10.1038/ng.941

616. Strawbridge RJ, Dupuis J, Prokopenko I, Barker A, Ahlqvist E, Rybin D et al. Genome-wide association identifies nine common variants associated with fasting proinsulin levels and provides new insights into the pathophysiology of type 2 diabetes. Diabetes. 2011;60(10):2624-2634. Available from: 10.2337/db11-0415

617. Chambers JC, Zhang W, Sehmi J, Li X, Wass MN, Van der Harst P et al. Genome-wide association study identifies loci influencing concentrations of liver enzymes in plasma. Nature Genetics. 2011;43(11):1131-1129. Available from: 10.1038/ng.970

618. Pietikainen S, Silventoinen K, Svedberg P, Alexanderson K, Huunan-Seppala A, Koskenvuo K et al. Health-Related and Sociodemographic Risk Factors for Disability Pension due to Low Back Disorders A 30-Year Prospective Finnish Twin Cohort Study. Journal of Occupational and Environmental Medicine. 2011;53(5):488-496. Available from: 10.1097/JOM.0b013e31821576dd

619. Ropponen A, Silventoinen K, Svedberg P, Alexanderson K, Koskenvuo K, Huunan-Seppälä A et al. Health-related risk factors for disability pensions due to musculoskeletal diagnoses: A 30 year Finnish twin cohort study. Scandinavian Journal of Public Health. 2011;39(8):839-848. Available from: 10.1177/1403494811418283

620. Hublin C, Partinen M, Koskenvuo M, Kaprio J. Heritability and Mortality Risk of Insomnia-Related Symptoms: A Genetic Epidemiologic Study in a Population-Based Twin Cohort. Sleep. 2011;34(7):957-964. Available from: 10.5665/SLEEP.1136

621. Hukkinen M, Kaprio J, Broms U, Viljanen A, Kotz D, Rantanen T et al. Heritability of Lung Function: A Twin Study Among Never-Smoking Elderly Women. Twin Research and Human Genetics. 2011;14(5):401-407. Available from: 10.1375/twin.14.5.401

622. Pärssinen O, Jauhonen H-M, Kauppinen M, Kaprio J, Koskenvuo M, Rantanen T.  Heritability of spherical equivalent: A population-based twin study among 63- to 76-year-old female twins. Ophthalmology. 2011;117(10):1908-1911. Available from: 10.1016/j.ophtha.2010.02.008

623. Mikkola TM, Heinonen A, Kovanen V, Cheng S, Kujala UM, Suominen H et al. Influence of Long-Term Postmenopausal Hormone-Replacement Therapy on Estimated Structural Bone Strength: A Study in Discordant Monozygotic Twins. Journal of Bone and Mineral Research. 2011;26(3):546-552. Available from: 10.1002/jbmr.255

624. Leskinen T, Usenius J-P, Alen M, Kainulainen H, Kaprio J, Kujala UM. Leisure-time physical activity and artery lumen diameters: A monozygotic co-twin control study. Scandinavian Journal of Medicine & Science in Sports. 2011;21(6):E208-E214. Available from: 10.1111/j.1600-0838.2010.01250.x

625. Rintala M, Lyytikainen A, Leskinen T, Alen M, Pietiläinen KH, Kaprio J et al. Leisure-time physical activity and nutrition: a twin study. Public Health Nutrition. 2011;14(5):846-852. Available from: 10.1017/S136898001000090X

626. Hannukainen JC, Borra R, Linderborg K, Kallio H, Kiss J, Lepomaki V et al. Liver and pancreatic fat content and metabolism in healthy monozygotic twins with discordant physical activity. Journal of Hepatology. 2011;54(3):545-552. Available from: 10.1016/j.jhep.2010.07.029

627. Tyynismaa H, Raivio T, Hakkarainen A, Ortega-Alonso A, Lundbom N, Kaprio J et al. Liver fat but not other adiposity measures influence circulating FGF21 levels in healthy young adult twins. Journal of Clinical Endocrinology and Metabolism. 2011;96(2):E351-E355. Available from: 10.1210/jc.2010-1326

628. Bearden CE, van Erp TGM, Dutton RA, Boyle C, Madsen S, Luders E et al. Mapping Corpus Callosum Morphology in Twin Pairs Discordant for Bipolar Disorder. Cerebral Cortex. 2011;21(10):2415-2424. Available from: 10.1093/cercor/bhr030

629. Dick DM, Meyers JL, Rose RJ, Kaprio J, Kendler KS. Measures of current alcohol consumption and problems: Two independent twin studies suggest a complex genetic architecture. Alcoholism: Clinical and Experimental Research. 2011;35(12):2152-2161. Available from: 10.1111/j.1530-0277.2011.01564.x

630. Heinonen-Guzejev M, Kaprio J. Medical, psychological and genetic aspects of noise sensitivity. 2011;1-10.

631. Heid IM, Jackson AU, Randall JC, Winkler TW, Qi L, Steinthorsdottir V et al. Meta-analysis identifies 13 new loci associated with waist-hip ratio and reveals sexual dimorphism in the genetic basis of fat distribution: Correction. Nature Genetics. 2011;43(11):1164-1164.

632. Evangelou E, Valdes AM, Kerkhof HJM, Styrkarsdottir U, Zhu Y, Meulenbelt I et al. Meta-analysis of genome-wide association studies confirms a susceptibility locus for knee osteoarthritis on chromosome 7q22. Annals of the Rheumatic Diseases. 2011;70(2):349-355. Available from: 10.1136/ard.2010.132787

633. Finni T, Noorkoiv M, Pollanen E, Ronkainen PHA, Alen M, Kaprio J et al. Muscle function in monozygotic female twin pairs discordant for hormone replacement therapy. Muscle & Nerve. 2011;44(5):769-775. Available from: 10.1002/mus.22162

634. Launiainen T, Broms U, Keskitalo-Vuokko K, Pitkaniemi J, Pelander A, Kaprio J et al. Nicotine, Alcohol, and Drug Findings in Young Adults in a Population-Based Postmortem Database. Nicotine & Tobacco Research. 2011;13(9):763-771. Available from: 10.1093/ntr/ntr069

635. Heinonen-Guzejev M, Vuorinen HS, Mussalo-Rauhamaa H, Heikkilä KV, Jauhiainen T, Koskenvuo M et al. Noise sensitivity - medical, psychological and genetic aspects. 2011;364-372.

636. Heinonen-Guzejev M, Jauhiainen T, Vuorinen H, Viljanen A, Rantanen T, Koskenvuo M et al. Noise sensitivity and hearing disability. Noise & Health. 2011;13(50):51-58. Available from: 10.4103/1463-1741.74000

637. Sihvola E, Rose RJ, Dick DM, Korhonen T, Pulkkinen L, Raevuori A et al. Prospective relationships of ADHD symptoms with developing substance use in a population-derived sample. Psychological Medicine. 2011;41(12):2615-2623. Available from: 10.1017/S0033291711000791

638. Edwards AC, Rose RJ, Kaprio J, Dick DM. Pubertal Development Moderates the Importance of Environmental Influences on Depressive Symptoms in Adolescent Girls and Boys. Journal of Youth and Adolescence. 2011;40(10):1383-1393. Available from: 10.1007/s10964-010-9617-3

639. Dick DM, Aliev F, Viken R, Kaprio J, Rose RJ.  Rutgers Alcohol Problem Index Scores at Age 18 Predict Alcohol Dependence Diagnoses 7 Years Later. Alcoholism: Clinical and Experimental Research. 2011;35(5):1011-1014. Available from: 10.1111/j.1530-0277.2010.01432.x

640. Robciuc MR, Naukkarinen J, Tyynismaa H, Raivio T, Ortega-Alonso A, Suomalainen A et al. SERUM LEVELS OF ANGIOPOIETIN-LIKE PROTEIN 4 (ANGPTL4) ARE INVERSELY CORRELATED WITH OBESITY IN HEALTHY YOUNG ADULT TWINS. Atherosclerosis. Supplements. 2011;12:35-35.

641. Robciuc MR, Naukkarinen J, Ortega-Alonso A, Tyynismaa H, Raivio T, Rissanen A et al. Serum angiopoietin-like 4 protein levels and expression in adipose tissue are inversely correlated with obesity in monozygotic twins. Journal of Lipid Research. 2011;52(8):1575-1582. Available from: 10.1194/jlr.P015867

642. Laitala VS, Hjelmborg J, Koskenvuo M, Raiha I, Rinne JO, Christensen K et al. Shorter Adult Stature Increases the Impact of Risk Factors for Cognitive Impairment: A Comparison of Two Nordic Twin Cohorts. Twin Research and Human Genetics. 2011;14(6):544-552.  Available from: 10.1375/twin.14.6.544

643. Koskenvuo K, Broms UH, Korhonen T, Laitinen L, Huunan-Seppälä A, Keistinen T et al. Smoking strongly predicts disability retirement due to COPD: the Finnish Twin Cohort Study. European Respiratory Journal. 2011;37(1):26-31. Available from: 10.1183/09031936.00008910

644. Kaprio J. Specific advantages of twin registries and biobanks. Methods in molecular biology. 2011;675:205-213. Available from: 10.1007/978-1-59745-423-0_9

645. Kemppinen A, Kaprio J, Palotie A, Saarela J.  Systematic review of genome-wide expression studies in multiple sclerosis. BMJ Open. 2011;1(1):e000053. Available from: 10.1136/bmjopen-2011-000053

646. MAGIC investigators, DIAGRAM consortium. The Lin28/let-7 Axis Regulates Glucose Metabolism. Cell. 2011;147(1):81-94. Available from: 10.1016/j.cell.2011.08.033

647. Markkula R, Kalso E, Huunan-Seppala A, Koskenvuo M, Koskenvuo K, Leino-Arjas P et al. The burden of symptoms predicts early retirement: A twin cohort study on fibromyalgia-associated symptoms. European journal of pain. 2011;15(7):741-747. Available from: 10.1016/j.ejpain.2011.01.004

648. Vink JM, Boomsma DI, Medland SE, de Moor MHM, Stubbe JH, Cornes BK et al. Variance Components Models for Physical Activity With Age as Modifier: A Comparative Twin Study in Seven Countries. Twin Research and Human Genetics. 2011;14(1):25-34. Available from: 10.1375/twin.14.1.25

649. Mutikainen S, Rantanen T, Alen M, Kauppinen M, Karjalainen J, Kaprio J et al. Walking Ability and All-Cause Mortality in Older Women. International journal of sports medicine. 2011;32(3):216-222. Available from: 10.1055/s-0030-1268506

2010

576. K. Rintakoski, Kaprio J, Murtomaa H. Genetic and Environmental Factors in Oral Health among Twins. Epub ahead of print. J Dent Res 2010;89(7):700-704.

577. Huizink AC, Levälahti E, Korhonen T, Dick DM, Pulkkinen L, Rose RJ. Kaprio J. Tobacco, cannabis, and other illicit drug use among Finnish adolescent twins: Causal relationship or correlated liabilities? Journal of Studies on Alcohol and Drugs 2010;71(1):5-14.

579. Dupuis J, Langenberg C, Prokopenko I, Saxena R, Soranzo N, Jackson AU, Wheeler E, Glazer NL, Bouatia-Naji N, Gloyn AL, Lindgren CM, Mägi R, Morris AP, Randall J, Johnson T, Elliott P, Rybin D, Thorleifsson G, Steinthorsdottir V, Henneman P, Grallert H, Dehghan A, Hottenga JJ, Franklin CS, Navarro P, Song K, Goel A, Perry JRB, Egan JM, Lajunen T, Grarup N, Sparsø T, Doney A, Voight BF, Stringham HM, Li M, Kanoni S, Shrader P, Cavalcanti-Proença C, Kumari M, Qi L, Timpson NJ, Gieger C, Zabena C, Rocheleau G, Ingelsson E, An P, O'Connell J, Luan J, Elliott A, McCarroll SA, Payne F, Roccasecca RM, Pattou F, Sethupathy P, Ardlie K, Ariyurek Y, Balkau B, Barter P, Beilby JP, Ben-Shlomo Y, Benediktsson R, Bennett AJ, Bergmann S, Bochud M, Boerwinkle E, Bonnefond A, Bonnycastle LL, Borch-Johnsen K, Böttcher Y, Brunner E, Bumpstead SJ, Charpentier G, Chen Y, Chines P, Clarke R, Coin LJM, Cooper MN, Cornelis M, Crawford G, Crisponi L, Day INM, de Geus Eco, D, Dina C, Erdos MR, Fedson AC, Fischer-Rosinsky A, Forouhi NG, Fox CS, Frants R, Franzosi MG, Galan P, Goodarzi MO, Graessler J, Groves CJ, Grundy S, Gwilliam R, Gyllensten U, Hadjadj S, Hallmans G, Hammond N, Han X, Hartikainen A, Hassanali N, Hayward C, Heath SC, Hercberg S, Herder C, Hicks AA, Hillman DR, Hingorani AD, Hofman A, Hui J, Hung J, Isomaa B, Johnson PRV, Jørgensen T, Jula A, Kaakinen M, Kaprio J, Kesaniemi YA, Kivimaki M, Knight B, Koskinen S, Kovacs P, Kyvik KO, Lathrop GM, Lawlor DA, Bacquer OL, Lecoeur C, Li Y, Lyssenko V, Mahley R, Mangino M, Manning AK, Martínez-Larrad MT, McAteer JB, McCulloch LJ, McPherson R, Meisinger C, Melzer D, Meyre D, Mitchell BD, Morken MA, Mukherjee S, Naitza S, Narisu N, Neville MJ, Oostra BA, Orrù M, Pakyz R, Palmer CNA, Paolisso G, Pattaro C, Pearson D, Peden JF, Pedersen NL, Perola M, Pfeiffer AFH, Pichler I, Polasek O, Posthuma D, Potter SC, Pouta A, Province MA, Psaty BM, Rathmann W, Rayner NW, Rice K, Ripatti S, Rivadeneira F, Roden M, Rolandsson O, Sandbaek A, Sandhu M, Sanna S, Sayer AA, Scheet P, Scott LJ, Seedorf U, Sharp SJ, Shields B, Sigurðsson G, Sijbrands EJG, Silveira A, Simpson L, Singleton A, Smith NL, Sovio U, Swift A, Syddall H, Syvänen A, Tanaka T, Thorand B, Tichet J, Tönjes A, Tuomi T, Uitterlinden AG, van Dijk KW, van Hoek M, Varma D, Visvikis-Siest S, Vitart V, Vogelzangs N, Waeber G, Wagner PJ, Walley A, Walters GB, Ward KL, Watkins H, Weedon MN, Wild SH, Willemsen G, Witteman JCM, Yarnell JWG, Zeggini E, Zelenika D, Zethelius B, Zhai G, Zhao JH, Zillikens MC, DIAGRAM Consortium, GIANT Consortium, Global BPGen Consortium, Borecki IB, Loos RJF, Meneton P, Magnusson PKE, Nathan DM, Williams GH, Hattersley AT, Silander K, Salomaa V, Smith GD, Bornstein SR, Schwarz P, Spranger J, Karpe F, Shuldiner AR, Cooper C, Dedoussis GV, Serrano-Ríos M, Morris AD, Lind L, Palmer LJ, Hu FB, Franks PW, Ebrahim S, Marmot M, Kao WHL, Pankow JS, Sampson MJ, Kuusisto J, Laakso M, Hansen T, Pedersen O, Pramstaller PP, Wichmann HE, Illig T, Rudan I, Wright AF, Stumvoll M, Campbell H, Wilson JF, Hamsten A on behalf of Procardis consortium, Bergman RN, Buchanan TA, Collins FS, Mohlke KL, Tuomilehto J, Valle TT, Altshuler D, Rotter JI, Siscovick DS, J BW, Penninx H, Boomsma D, Deloukas P, Spector TD, Frayling TM, Ferrucci L, Kong A, Thorsteinsdottir U, Stefansson K, van Duijn CM, Aulchenko YS, Cao A, Scuteri A, Schlessinger D, Uda M, Ruokonen A, Jarvelin M, Waterworth DM, Vollenweider P, Peltonen L, Mooser V, Abecasis GR, Wareham NJ, Sladek R, Froguel P, Watanabe RM, Meigs JB, Groop L, Boehnke M†, McCarthy M†, Florez JC† and Barroso I† for the MAGIC investigators. New genetic loci implicated in fasting glucose homeostasis and their impact on type 2 diabetes risk. Epub ahead of print. Nature Genetics 2010;42(2):105-116.

581. Shawn J. Latendresse, Richard J. Rose, Richard J. Viken, Lea Pulkkinen, Jaakko Kaprio, Danielle M. Dick. Examining the etiology of associations between perceived parenting and adolescents' alcohol use: Common genetic and/or environmental liabilities? J Studies Alcohol & Drugs 2010;71(3):313-325.

583. Matti Pajari, Kirsi H. Pietiläinen, Jaakko Kaprio, Richard J. Rose, Suoma E. Saarni. The effect of alcohol consumption on later obesity in early adulthood. - A population based longitudinal study. Alcohol and Alcoholism 2010;45(2):173-179.

584. Vuoksimaa E, Kaprio J. Sex differences in left-handedness are evident also in Scandinavia and in twins: Comment on Papadatou-Pastou, Martin, Munafò, and Jones (2008). Psychological Bulletin 2010;136(3):344-347.

2009

493. Keski-Rahkonen A, Hoek HW, Linna MS, Raevuori A, Sihvola E, Bulik CM, Rissanen A, Kaprio J. Incidence and outcomes of bulimia nervosa: a nationwide population-based study. Psychol Med. 2009 May;39(5):823-31

500. Ortega-Alonso A, Sipilä S, Kujala UM, Kaprio J, Rantanen T. Longitudinal changes in genetic and environmental influences on older women's walking ability. Scand J Med Sci Sports. 2009 ;19(5):669-77

501. Mikkola TM, Sipilä S, Rantanen T, Sievänen H, Suominen H, Tiainen K, Kaprio J, Koskenvuo M, Kauppinen M, Heinonen A. Muscle Cross-Sectional Area and Structural Bone Strength Share Genetic and Environmental Effects in Older Women. J Bone Miner Res. 2009 Feb;24(2):338-45.

504. Markkula R, Järvinen P, Leino-Arjas P, Koskenvuo M, Kalso E, Kaprio J. Clustering of symptoms associated with fibromyalgia in a Finnish Twin Cohort. Eur J Pain. 2009 ;13(7):744-50.

507. Paunio T, Korhonen T, Hublin C, Partinen M, Kivimäki M, Koskenvuo M, Kaprio J. Longitudinal Study on Poor Sleep and Life Dissatisfaction in a Nationwide Cohort of Twins. Am J Epidemiol. 2009 Jan 15;169(2):206-13.

508. Kulmala J, Viljanen A, Sipilä S, Pajala S, Pärssinen O, Kauppinen M, Koskenvuo M, Kaprio J, Rantanen T. Poor vision accompanied with other sensory impairments as a predictor of falls in older women.
Age Ageing. 2009 Mar;38(2):162-7.

509. Virta JJ, Aalto S, Järvenpää T, Karrasch M, Kaprio J, Koskenvuo M, Räihä I, Viljanen T, Rinne JO. Voxel-based analysis of cerebral glucose metabolism in mono- and dizygotic twins discordant for Alzheimer's disease. J Neurol Neurosurg Psychiatry. 2009 Mar;80(3):259-66

512. Mustelin L, Silventoinen K, Pietiläinen K, Rissanen A, Kaprio J. Physical activity reduces the influence of genetic effects on BMI and waist circumference: a study in young adult twins. Int J Obes (Lond). 2009 Jan;33(1):29-36.

513. Pietiläinen OP, Paunio T, Loukola A, Tuulio-Henriksson A, Kieseppä T, Thompson P, Toga AW, van Erp TG, Silventoinen K, Soronen P, Hennah W, Turunen JA, Wedenoja J, Palo OM, Silander K, Lönnqvist J, Kaprio J, Cannon TD, Peltonen L. Association of AKT1 with verbal learning, verbal memory, and regional cortical gray matter density in twins. Am J Med Genet B Neuropsychiatr Genet. 2009 Jul 5;150B(5):683-92.

516. Sihvola E, Keski-Rahkonen A, Dick DM, Hoek HW, Raevuori A, Rose RJ, Pulkkinen L, Marttunen M, Kaprio J. Prospective associations of early-onset Axis I disorders with developing eating disorders. Compr Psychiatry. 2009 Jan-Feb;50(1):20-5. Epub 2008 Aug 27.

517. Saarni SE, Pietiläinen KH, Kantonen S, Rissanen A, Kaprio J. Association of Smoking in Adolescence With Abdominal Obesity in Adulthood: A Follow-Up Study of 5 Birth Cohorts of Finnish Twins. Am J Public Health 2009 Feb;99(2):348-54.

518. The ENGAGE Consortium, Aulchenko YS, Ripatti S, Lindqvist I, Boomsma D, Heid IM, Pramstaller PP, Penninx BW, Janssens AC, Wilson JF, Spector T, Martin NG, Pedersen NL, Kyvik KO, Kaprio J, Hofman A, Freimer NB, Jarvelin MR, Gyllensten U, Campbell H, Rudan I, Johansson A, Marroni F, Hayward C, Vitart V, Jonasson I, Pattaro C, Wright A, Hastie N, Pichler I, Hicks AA, Falchi M, Willemsen G, Hottenga JJ, de Geus EJ, Montgomery GW, Whitfield J, Magnusson P, Saharinen J, Perola M, Silander K, Isaacs A, Sijbrands EJ, Uitterlinden AG, Witteman JC, Oostra BA, Elliott P, Ruokonen A, Sabatti C, Gieger C, Meitinger T, Kronenberg F, Döring A, Wichmann HE, Smit JH, McCarthy MI, van Duijn CM, Peltonen L. Loci influencing lipid levels and coronary heart disease risk in 16 European population cohorts. Nat Genet. 2009 Jan;41(1):47-55. Epub 2008 Dec 7.

519. Ortega-Alonso A, Sipilä S, Kujala UM, Kaprio J, Rantanen T. Genetic Influences on Change in BMI from Middle to Old Age: A 29-Year Follow-up Study of Twin Sisters. Behav Genet. 2009 Mar;39(2):154-64

520. Söderberg KC, Kaprio J, Verkasalo PK, Pukkala E, Koskenvuo M, Lundqvist E, Feychting M. Overweight, obesity and risk of haematological malignancies: A cohort study of Swedish and Finnish twins. Eur J Cancer 2009 May;45(7):1232-8

521. Leskelä P, Ukkola O, Vartiainen J, Rönnemaa T, Kaprio J, Bouchard C, Kesäniemi YA. Fasting plasma total ghrelin concentrations in monozygotic twins discordant for obesity. Metabolism. 2009 Feb;58(2):174-9.

522. Mutikainen S, Ortega-Alonso A, Alén M, Kaprio J, Karjalainen J, Rantanen T, Kujala UM. Genetic influences on resting electrocardiographic variables in older women: a twin study. Ann Noninvasive Electrocardiol. 2009 Jan;14(1):57-64.

523. Finni T, Kovanen V, Ronkainen PH, Pöllänen E, Bashford GR, Kaprio J, Alen M, Kujala UM, Sipilä S. Combination of hormone replacement therapy and high physical activity is associated with differences in Achilles tendon size in monozygotic female twin pairs. J Appl Physiol. 2009; 106(4):1332-7

524. Videman T, Saarela J, Kaprio J, Näkki A, Levälahti E, Gill K, Peltonen L, Battié MC. Associations of 25 structural, degradative, and inflammatory candidate genes with lumbar disc desiccation, bulging, and height narrowing. Arthritis Rheum. 2009 Feb;60(2):470-81.

525. Pergadia ML, Agrawal A, Loukola A, Montgomery GW, Broms U, Saccone SF, Wang JC, Todorov AA, Heikkilä K, Statham DJ, Henders AK, Campbell MJ, Rice JP, Todd RD, Heath AC, Goate AM, Peltonen L, Kaprio J, Martin NG, Madden PA. Genetic linkage findings for DSM-IV nicotine withdrawal in two populations. Am J Med Genet B Neuropsychiatr Genet. 2009 ; 150B(7):950-9.

526. Viljanen A, Kaprio J, Pyykkö I, Sorri M, Pajala S, Kauppinen M, Koskenvuo M, Rantanen T. Hearing as a Predictor of Falls and Postural Balance in Older Female Twins. J Gerontol A Biol Sci Med Sci. 2009; 64(2):312-7.

527. Raevuori A, Hoek HW, Susser E, Kaprio J, Rissanen A, Keski-Rahkonen A. Epidemiology of anorexia nervosa in men: a nationwide study of Finnish twins. PLoS ONE. 2009;4(2):e4402. Epub 2009 Feb 10.

528. Jartti L, Rönnemaa T, Raitakari OT, Hedlund E, Hammar N, Lassila R, Marniemi J, Koskenvuo M, Kaprio J. Migration at early age from a high to a lower coronary heart disease risk country lowers the risk of subclinical atherosclerosis in middle-aged men. J Intern Med. 2009 Mar;265(3):345-58.

529. Tiainen K, Sipilä S, Kauppinen M, Kaprio J, Rantanen T. Genetic and environmental effects on isometric muscle strength and leg extensor power followed up for three years among older female twins. J Appl Physiol. 2009; 106(5):1604-10

531. Leskinen T, Waller K, Mutikainen S, Aaltonen S, Ronkainen PH, Alén M, Sipilä S, Kovanen V, Perhonen M, Pietiläinen KH, Cheng S, Suominen H, Kainulainen H, Kaprio J, Kujala UM. Effects of 32-Year Leisure Time Physical Activity Discordance in Twin Pairs on Health (TWINACTIVE Study): Aims, Design and Results for Physical Fitness. Twin Res Hum Genet. 2009 Feb;12(1):108-17.

532. Ronkainen PH, Kovanen V, Alen M, Pöllänen E, Palonen EM, Ankarberg-Lindgren C, Hämäläinen E, Turpeinen U, Kujala UM, Puolakka J, Kaprio J, Sipila S. Postmenopausal Hormone Replacement Therapy Modifies Skeletal Muscle Composition and Function: A Study with Monozygotic Twin Pairs. J Appl Physiol. 2009; 107(1):25-33

533. Korhonen T, Broms U, Levälahti E, Koskenvuo M, Kaprio J. Characteristics and health consequences of intermittent smoking: Long-term follow-up among Finnish adult twins. Nicotine Tob Res. 2009; 11(2):148-55.

534. Latendresse SJ, Rose RJ, Viken RJ, Pulkkinen L, Kaprio J, Dick DM. Parental socialization and adolescents' alcohol use behaviors: predictive disparities in parents' versus adolescents' perceptions of the parenting environment. J Clin Child Adolesc Psychol. 2009 Mar;38(2):232-44.

535. Vink JM, Smit AB, de Geus EJ, Sullivan P, Willemsen G, Hottenga JJ, Smit JH, Hoogendijk WJ, Zitman FG, Peltonen L, Kaprio J, Pedersen NL, Magnusson PK, Spector TD, Kyvik KO, Morley KI, Heath AC, Martin NG, Westendorp RG, Slagboom PE, Tiemeier H, Hofman A, Uitterlinden AG, Aulchenko YS, Amin N, van Duijn C, Penninx BW, Boomsma DI. Genome-wide association study of smoking initiation and current smoking. Am J Hum Genet. 2009 Mar;84(3):367-79.

536. McEvoy BP, Montgomery GW, McRae AF, Ripatti S, Perola M, Spector TD, Cherkas L, Ahmadi KR, Boomsma D, Willemsen G, Hottenga JJ, Peterson NL, Magnusson PK, Ohm Kyvik K, Christensen K, Kaprio J, Heikkila K, Palotie A, Widen E, Muilu J, Syvanen AC, Liljedahl U, Hardiman O, Cronin S, Peltonen L, Martin NG, Visscher PM. Geographical structure and differential natural selection amongst North European populations. Genome Res. 2009; 19(5):804-14

537. Ortega-Alonso A, Sipilä S, Kujala UM, Kaprio J, Rantanen T. Genetic influences on adult BMI followed over 29 years and their effects on late life mobility: a study of twin sisters. J Epidemiol Community Health. 2009; 63(8):651-8.

538. Makkonen J, Pietiläinen KH, Rissanen A, Kaprio J, Yki-Järvinen H. Genetic factors contribute to variation in serum alanine aminotransferase activity independent of obesity and alcohol: A study in monozygotic and dizygotic twins. J Hepatol. 2009; 50(5):1035-42.

539. Lajunen H-R, J Kaprio, A Keski-Rahkonen, R J Rose, L Pulkkinen, A Rissanen & K Silventoinen. Genetic and environmental effects on body mass index during adolescence: a prospective study among Finnish twins. Int J Obes 2009;33: 559-567.

540. Ma H, Leskinen T, Alen M, Cheng S, Sipilä S, Heinonen A, Kaprio J, Suominen H, Kujala UM. Long-Term Leisure Time Physical Activity and Properties of Bone: A Twin Study. J Bone Miner Res. 2009; 24(8):1427-33.

542: Lajunen HR, Keski-Rahkonen A, Pulkkinen L, Rose RJ, Rissanen A, Kaprio J. Leisure activity patterns and their associations with overweight: A prospective study among adolescents. J Adolesc. 2009; 32(5):1089-103.

543. Mänty M, Heinonen A, Viljanen A, Pajala S, Koskenvuo M, Kaprio J, Rantanen T. Self-reported preclinical mobility limitation and fall history as predictors of future falls in older women: prospective cohort study. Osteoporos Int. 2009 May 5. [Epub ahead of print]

544. Hukkinen M, Kaprio J, Broms U, Koskenvuo M, Korhonen T. Characteristics and consistency of light smoking: Long-term follow-up among Finnish adults. Nicotine Tob Res. 2009; 11(7):797-805

545. Vuoksimaa E, Koskenvuo M, Rose RJ, Kaprio J. Origins of handedness: a nationwide study of 30,161 adults. Neuropsychologia. 2009 Apr;47(5):1294-301.

546. Korhonen T, Kujala UM, Rose RJ, Kaprio J. Physical activity in adolescence as a predictor of alcohol and illicit drug use in early adulthood: a longitudinal population-based twin study. Twin Res Hum Genet. 2009 Jun;12(3):261-8.

548. Kauppila E, Vanninen E, Kuusela T, Kaurijoki S, Karhunen L, Pietiläinen KH, Rissanen A, Kaprio J, Tiihonen J, Kuikka J. Cardiac repolarization and striatal dopamine transporter function are interrelated. Nucl Med Commun. 2009; 30(9):713-7

551. Katariina Salmela-Aro, Sanna Read, Jari-Erik Nurmi, Markku Koskenvuo, Jaakko Kaprio, Taina Rantanen. Personal Goals of Older Female Twins: Genetic and Environmental Effects. European Psychologist 2009; 14: 160-167

552. Tikka-Kleemola P, Kaunisto MA, Hämäläinen E, Todt U, Göbel H, Kaprio J, Kubisch C, Färkkilä M, Palotie A, Wessman M, Kallela M. Genetic association study of Endothelin-1 and its receptors EDNRA and EDNRB in migraine with aura. Cephalalgia. 2009; 29(11):1224-31

553. Pietiläinen KH, Söderlund S, Rissanen A, Nakanishi S, Jauhiainen M, Taskinen MR, Kaprio J. HDL Subspecies in Young Adult Twins: Heritability and Impact of Overweight. Obesity (Silver Spring). 2009 Jun;17(6):1208-14.

554. Silventoinen K, Hasselbalch AL, Lallukka T, Bogl L, Pietiläinen KH, Heitmann BL, Schousboe K, Rissanen A, Kyvik KO, Sørensen TI, Kaprio J. Modification effects of physical activity and protein intake on heritability of body size and composition. Am J Clin Nutr. 2009; 90(4):1096-103

555. Hannukainen JC, Kalliokoski KK, Borra RJ, Viljanen AP, Janatuinen T, Kujala UM, Kaprio J, Heinonen OJ, Viljanen T, Haaparanta M, Iozzo P, Parkkola R, Nuutila P. Higher Free Fatty Acid Uptake in Visceral Than in Abdominal Subcutaneous Fat Tissue in Men. Obesity (Silver Spring). 2009 Aug 20.

557. Juselius S, Kieseppä T, Kaprio J, Lönnqvist J, Tuulio-Henriksson A. Executive Functioning in Twins with Bipolar I Disorder and Healthy Co-Twins. Arch Clin Neuropsychol. 2009; 24(6):599-606.

558. Keskitalo K, Broms U, Heliövaara M, Ripatti S, Surakka I, Perola M, Pitkäniemi J, Peltonen L, Aromaa A, Kaprio J. Association of serum cotinine level with a cluster of three nicotinic acetylcholine receptor genes (CHRNA3/CHRNA5/CHRNB4) on chromosome 15. Hum Mol Genet. 2009; 18(20):4007-12.

559. Dick DM, Bernard M, Aliev F, Viken R, Pulkkinen L, Kaprio J, Rose RJ. The Role of Socioregional Factors in Moderating Genetic Influences on Early Adolescent Behavior Problems and Alcohol Use. Alcohol Clin Exp Res. 2009 ; 33(10):1739-48.

561 Laitala VS, Kaprio J, Koskenvuo M, Räihä I, Rinne JO, Silventoinen K. Coffee drinking in middle age is not associated with cognitive performance in old age. Am J Clin Nutr. 2009 Sep;90(3):640-6.

562. Mänty M, Heinonen A, Viljanen A, Pajala S, Koskenvuo M, Kaprio J, Rantanen T. Outdoor and indoor falls as predictors of mobility limitation in older women. Age Ageing. 2009; 38(6):757-61.

563. Virtanen R, Aromaa M, Koskenvuo M, Sillanpää M, Rose RJ, Metsähonkala L, Helenius H, Anttila P, Kaprio J. Prevalence and Incidence of Headache in Adolescent Finnish Twins. Headache. 2009; 49(10):1503-12.

564. Mutikainen S, Ortega-Alonso A, Alén M, Kaprio J, Karjalainen J, Rantanen T, Kujala UM. Electrocardiographic indices of left ventricular hypertrophy and repolarization phase share the same genetic influences: a twin study. Ann Noninvasive Electrocardiol. 2009 Oct;14(4):346-54.

565. Hukkinen M, Korhonen T, Broms U, Koskenvuo M, Kaprio J. Long-term smoking behavior patterns predicting self-reported chronic bronchitis. COPD. 2009 Aug;6(4):242-9.

566. Kettunen J, Perola M, Martin NG, Cornes BK, Wilson SG, Montgomery GW, Benyamin B, Harris JR, Boomsma D, Willemsen G, Hottenga JJ, Slagboom PE, Christensen K, Kyvik KO, Sørensen TI, Pedersen NL, Magnusson PK, Andrew T, Spector TD, Widen E, Silventoinen K, Kaprio J, Palotie A, Peltonen L. Multicenter dizygotic twin cohort study confirms two linkage susceptibility loci for body mass index at 3q29 and 7q36 and identifies three further potential novel loci. Int J Obes (Lond). 2009; 33(11):1235-42.

567. Pakkala I, Read S, Kaprio J, Koskenvuo M, Kauppinen M, Rantanen T. Genetic contribution to the relationship between personality and depressive symptoms among older women. Psychol Med. 2009 Oct 8:1-10. [Epub ahead of print]

569. Bachman P, Kim J, Yee CM, Therman S, Manninen M, Lönnqvist J, Kaprio J, Huttunen MO, Näätänen R, Cannon TD. Efficiency of working memory encoding in twins discordant for schizophrenia. Psychiatry Res. 2009 Nov 30;174(2):97-104.

570. Viljanen A, Kaprio J, Pyykkö I, Sorri M, Koskenvuo M, Rantanen T. Hearing Acuity as a Predictor of Walking Difficulties in Older Women. J Am Geriatr Soc. 2009 Oct 26. [Epub ahead of print]

571. Videman T, Gibbons LE, Kaprio J, Battié MC. Challenging the cumulative injury model: positive effects of greater body mass on disc degeneration. Spine J. 2009 Nov 17. [Epub ahead of print]

573. Wennerstad KM, Silventoinen K, Tynelius P, Bergman L, Kaprio J, Rasmussen F. Associations between IQ and cigarette smoking among Swedish male twins. Soc Sci Med. 2009 Nov 19. [Epub ahead of print]

574. Mutikainen S, Rantanen T, Alén M, Kauppinen M, Karjalainen J, Ortega-Alonso A, Kaprio J, Kujala UM. Electrocardiographic and other clinical correlates of walking ability in older women. Arch Gerontol Geriatr. 2009 Nov 23. [Epub ahead of print]

575. Leskinen T, Sipilä S, Alen M, Cheng S, Pietiläinen KH, Usenius JP, Suominen H, Kovanen V, Kainulainen H, Kaprio J, Kujala UM. Leisure-time physical activity and high-risk fat: a longitudinal population-based twin study. Int J Obes (Lond). 2009 Nov;33(11):1211-8.

576. Waller K, Kujala UM, Kaprio J, Koskenvuo M, Rantanen T. Effect of Physical Activity on Health in Twins: A 30-Year Longitudinal Study. Med Sci Sports Exerc. 2009 Nov 27. [Epub ahead of print]

578. Bogl LH, Pietiläinen KH, Rissanen A, Kaprio J. Improving the accuracy of self-reports on diet and physical exercise: the co-twin control method. Twin Res Hum Genet. 2009 Dec;12(6):531-40.

579. Korkeila M, Rissanen A. Sørensen TI, Kaprio J. BMI, Weight Stability and Mortality among Adults without Clinical Co-Morbidities. A 22-Year Mortality Follow-up in the Finnish Twin Cohort. Obesity Facts (online ePub).

580. Pietiläinen KH, Korkeila M, Bogl LH, Westerterp KR, Yki-Järvinen H, Kaprio J, Rissanen A. Inaccuracies in food and physical activity diaries of obese subjects: complementary evidence from doubly labeled water and co-twin assessments. Int J Obes (Lond). . [Epub ahead of print]

2008

453. Keskitalo K, Silventoinen K, Tuorila H, Pietiläinen K, Rissanen A, Kaprio J. Genetic and environmental contributions to food use patterns of young adult twins. Physiol Behav 2008;93(1-2):235-42.

458. Virta JJ, Karrasch M, Kaprio J, Koskenvuo M, Räihä I, Viljanen T, Rinne JO: Cerebral Glucose Metabolism in Dizygotic Twin Pairs Discordant for Alzheimer's Disease. Dement Geriatr Cogn Disord 2008;25:9-16

433. Oswell G, Kaunisto MA, Kallela M, Hämälainen E, Anttila V, Kaprio J, Farkkilä M, Wessman M, Palotie A. No association of migraine to the GABA-A receptor complex on chromosome 15. Am J Med Genet B Neuropsychiatr Genet. 2007 Jun 19 Epub ahead of print. 2008 Jan 5;147(1):33-6.

434. Silventoinen K, Hammar N, Hedlund E, Koskenvuo M, Rönnemaa T, Kaprio J. Selective international migration by social position, health behaviour and personality. Eur J Public Health. [ 2007 Jun 14 Epub ahead of print] 2008 Apr;18(2):150-5.

443. Waller K, Kaprio J, Kujala UM. Associations between long-term physical activity, waist circumference and weight gain: a 30-year longitudinal twin study. Int J Obes (Lond). 2007 Jul 24 Epub ahead of print. 2008 Feb;32(2):353-61.

460. Battie MC, Levalahti E, Videman T, Burton K, Kaprio J. Heritability of Lumbar Flexibility and the Role of Disc Degeneration and Body Weight. J Appl Physiol. [ 2007 Nov 29 Epub ahead of print] 2008 Feb;104(2):379-85.

461. Mikkola T, Sipilä S, Rantanen T, Sievänen H, Suominen H, Kaprio J, Koskenvuo M, Kauppinen M, Heinonen A. Genetic and Environmental Influence on Structural Strength of Weight-Bearing and Non-Weight-Bearing Bone: A Twin Study. J Bone Miner Res. [ 2007 Dec 11 Epub ahead of print] 2008 Apr;23(4):492-8.

462. Koskela AK, Kaurijoki S, Pietiläinen KH, Karhunen L, Pesonen U, Kuikka JT, Kaprio J, Rissanen A. Serotonin transporter binding and acquired obesity - An imaging study of monozygotic twin pairs. Physiol Behav. (2007 Dec 3; Epub ahead of print) 2008 Mar 18;93(4-5):724-32.

463. Latendresse SJ, Rose RJ, Viken RJ, Pulkkinen L, Kaprio J, Dick DM. Parenting Mechanisms in Links Between Parents' and Adolescents' Alcohol Use Behaviors. Alcohol Clin Exp Res. 2007 Dec 21 Epub ahead of print. 2008 Feb;32(2):322-30.

464. Pietiläinen KH, Kaprio J, Borg P, Plasqui G, Yki-Järvinen H, Kujala UM, Rose RJ, Westerterp KR, Rissanen A. Physical Inactivity and Obesity: A Vicious Circle. Obesity (Silver Spring). 2008 Feb;16(2):409-414.

465. Hjelmborg JV, Fagnani C, Silventoinen K, McGue M, Korkeila M, Christensen K, Rissanen A, Kaprio J. Genetic Influences on Growth Traits of BMI: A Longitudinal Study of Adult Twins. Obesity (Silver Spring). 2008 Jan 24; (Epub ahead of print).

467. El-Metwally A, Mikkelsson M, Ståhl M, Macfarlane GJ, Jones GT, Pulkkinen L, Rose RJ, Kaprio J. Genetic and environmental influences on non-specific low back pain in children: a twin study. Eur Spine J. 2008 Jan 18; Epub ahead of print.

468. Anttila V, Nyholt DR, Kallela M, Artto V, Vepsäläinen S, Jakkula E, Wennerström A, Tikka-Kleemola P, Kaunisto MA, Hämäläinen E, Widén E, Terwilliger J, Merikangas K, Montgomery GW, Martin NG, Daly M, Kaprio J, Peltonen L, Färkkilä M, Wessman M, Palotie A. Consistently Replicating Locus Linked to Migraine on 10q22-q23. Am J Hum Genet. 2008 Apr 16. Epub ahead of print.

469. Ortega-Alonso A, Sipilä S, Kujala UM, Kaprio J, Rantanen T. Body Fat and Mobility Are Explained by Common Genetic and Environmental Influences in Older Women. Obesity (Silver Spring). 2008 Apr 17; Epub ahead of print.

470. Huizink AC, Bartels M, Rose RJ, Pulkkinen L, Eriksson CJ, Kaprio J. Chernobyl exposure as stressor during pregnancy and hormone levels in adolescent offspring. J Epidemiol Community Health. 2008 Apr;62(4):e5.

471. Ronkainen PH, Pöllänen E, Törmäkangas T, Tiainen K, Koskenvuo M, Kaprio J, Rantanen T, Sipilä S, Kovanen V. Catechol-o-methyltransferase gene polymorphism is associated with skeletal muscle properties in older women alone and together with physical activity. PLoS ONE. 2008 Mar 19;3(3):e1819.

472. Pietiläinen KH, Naukkarinen J, Rissanen A, Saharinen J, Ellonen P, Keränen H, Suomalainen A, Götz A, Suortti T, Yki-Järvinen H, Oresic M, Kaprio J, Peltonen L. Global transcript profiles of fat in monozygotic twins discordant for BMI: pathways behind acquired obesity. PLoS Med. 2008 Mar 11;5(3):e51.

473. Broms U, Korhonen T, Kaprio J. Smoking reduction predicts cessation: Longitudinal evidence from the Finnish adult twin cohort. Nicotine Tob Res. 2008 Mar;10(3):423-7.

474. Pajala S, Era P, Koskenvuo M, Kaprio J, Törmäkangas T, Rantanen T. Force platform balance measures as predictors of indoor and outdoor falls in community-dwelling women aged 63-76 years. J Gerontol A Biol Sci Med Sci. 2008 Feb;63(2):171-8.

476: Wehkalampi K, Silventoinen K, Kaprio J, Dick DM, Rose RJ, Pulkkinen L, Dunkel L. Genetic and environmental influences on pubertal timing assessed by height growth. Am J Hum Biol. 2008 Feb 21; Epub ahead of print.

477. Kronholm E, Partonen T, Laatikainen T, Peltonen M, Härmä M, Hublin C, Kaprio J, Aro AR, Partinen M, Fogelholm M, Valve R, Vahtera J, Oksanen T, Kivimäki M, Koskenvuo M, Sutela H. Trends in self-reported sleep duration and insomnia-related symptoms in Finland from 1972 to 2005: a comparative review and re-analysis of Finnish population samples. J Sleep Res. 2008 Mar;17(1):54-62.

479. Antti Knaapila, Hely Tuorila, Karri Silventoinen, Margaret J. Wright, Kirsten O. Kyvik, Lynn F. Cherkas, Kaisu Keskitalo, Jonathan Hansen, Nicholas G. Martin, Tim D. Spector, Jaakko Kaprio, and Markus Perola. Genetic and Environmental Contributions to Perceived Intensity and Pleasantness of Androstenone Odor: An International Twin Study. Chemosensory Perception. 2008; 1(1): 34-42. .

480. Finnon P, Robertson N, Dziwura S, Raffy C, Zhang W, Ainsbury L, Kaprio J, Badie C, Bouffler S. Evidence for significant heritability of apoptotic and cell cycle responses to ionising radiation. Hum Genet. 2008 Apr 25; Epub ahead of print.

481. Raevuori A, Keski-Rahkonen A, Hoek HW, Sihvola E, Rissanen A, Kaprio J. Lifetime anorexia nervosa in young men in the community: Five cases and their co-twins. Int J Eat Disord. 2008 Apr 23; Epub ahead of print.

482. Agrawal A, Pergadia ML, Saccone SF, Lynskey MT, Wang JC, Martin NG, Statham D, Henders A, Campbell M, Garcia R, Broms U, Todd RD, Goate AM, Rice J, Kaprio J, Heath AC, Montgomery GW, Madden PA. An Autosomal Linkage Scan for Cannabis Use Disorders in the Nicotine Addiction Genetics Project. Arch Gen Psychiatry. 2008 Jun;65(6):713-721.

483. Tiainen KM, Perola M, Kovanen VM, Sipilä S, Tuononen KA, Rikalainen K, Kauppinen MA, Widen EI, Kaprio J, Rantanen T, Kujala UM. Genetics of maximal walking speed and skeletal muscle characteristics in older women. Twin Res Hum Genet. 2008 Jun;11(3):321-34.:

484. Kaurijoki S, Kuikka JT, Niskanen E, Carlson S, Pietiläinen KH, Pesonen U, Kaprio JM, Rissanen A, Tiihonen J, Karhunen L. Association of serotonin transporter promoter regulatory region polymorphism and cerebral activity to visual presentation of food. Clin Physiol Funct Imaging. 2008 May 12.

485. Videman T, Battié MC, Parent E, Gibbons LE, Vainio P, Kaprio J. Progression and Determinants of Quantitative Magnetic Resonance Imaging Measures of Lumbar Disc Degeneration: A Five-Year Follow-up of Adult Male Monozygotic Twins. Spine. 2008 Jun 1;33(13):1484-1490.

486. Mustelin L, Pietilainen KH, Rissanen A, Sovijarvi AR, Piirila P, Naukkarinen J, Peltonen L, Kaprio J, Yki-Jarvinen H. Acquired obesity and poor physical fitness impair expression of genes of mitochondrial oxidative phosphorylation in monozygotic twins discordant for obesity. Am J Physiol Endocrinol Metab. 2008 May 6. Epub ahead of print.

487. Korhonen T, Huizink AC, Dick DM, Pulkkinen L, Rose RJ, Kaprio J. Role of individual, peer and family factors in the use of cannabis and other illicit drugs: A longitudinal analysis among Finnish adolescent twins. Drug Alcohol Depend. 2008 May 1.

488. van Erp TG, Therman S, Pirkola T, Tuulio-Henriksson A, Glahn DC, Bachman P, Huttunen MO, Lönnqvist J, Hietanen M, Kaprio J, Koskenvuo M, Cannon TD. Verbal recall and recognition in twins discordant for schizophrenia. Psychiatry Res. 2008 Jun 30;159(3):271-80. Epub 2008 Apr 28.

489. Knaapila A, Tuorila H, Silventoinen K, Wright MJ, Kyvik KO, Keskitalo K, Hansen J, Kaprio J, Perola M. Environmental Effects Exceed Genetic Effects on Perceived Intensity and Pleasantness of Several Odors: A Three-Population Twin Study. Behav Genet. 2008 Jun 10. (Epub ahead of print)

490. Sverrild A, Backer V, Kyvik KO, Kaprio J, Milman N, Svendsen CB, Thomsen SF. Heredity In Sarcoidosis - A Registry-Based Twin Study. Thorax. 2008 Jun 5. (Epub ahead of print)

491. Bachman P, Kim J, Yee CM, Therman S, Manninen M, Lönnqvist J, Kaprio J, Huttunen MO, Näätänen R, Cannon TD. Abnormally high EEG alpha synchrony during working memory maintenance in twins discordant for schizophrenia. Schizophr Res. 2008 Jun 4. (Epub ahead of print)

492. Mikael Hartman, Per Hall, Gustaf Edgren, Marie Reilly, Linda Lindstrom, Paul Lichtenstein, Jaakko Kaprio, Axel Skytthe, Julian Peto, Kamila Czene. Breast cancer onset in twins and women with bilateral disease. J Clinical Oncology (0732-183X) 2008 vol:26 iss:25 pg:4086-91.

494. Koskela AK, Kauppinen T, Keski-Rahkonen A, Sihvola E, Kaprio J, Rissanen A, Ahonen A. Brain Serotonin Transporter Binding of [(123)I]ADAM: Within-Subject Variation between Summer and Winter Data. Chronobiology International 2008; Volume 25, Number 5, pp. 657-665(9).

495. Hur YM, Kaprio J, Iacono WG, Boomsma DI, McGue M, Silventoinen K, Martin NG, Luciano M, Visscher PM, Rose RJ, He M, Ando J, Ooki S, Nonaka K, Lin CC, Lajunen HR, Cornes BK, Bartels M, van Beijsterveldt CE, Cherny SS, Mitchell K. Genetic influences on the difference in variability of height, weight and body mass index between Caucasian and East Asian adolescent twins. Int J Obes (Lond). 2008; 32(10):1455-67

496. Kuusisto H, Kaprio J, Kinnunen E, Luukkaala T, Koskenvuo M, Elovaara I. Concordance and heritability of multiple sclerosis in Finland: study on a nationwide series of twins. Eur J Neurol. 2008; 15(10):1106-10.

497. Kaisu Keskitalo, Hely Tuorila, Tim D Spector, Lynn F Cherkas, Antti Knaapila, Jaakko Kaprio, Karri Silventoinen, and Markus Perola. The Three-Factor Eating Questionnaire, body mass index, and responses to sweet and salty fatty foods: a twin study of genetic and environmental associations. Am J Clin Nutr 2008;88:263-71.

498. Nyholt DR, Laforge KS, Kallela M, Alakurtti K, Anttila V, Färkkilä M, Hämaläinen E, Kaprio J, Kaunisto MA, Heath AC, Montgomery GW, Göbel H, Todt U, Ferrari MD, Launer LJ, Frants RR, Terwindt GM, de Vries B, Verschuren WM, Brand J, Freilinger T, Pfaffenrath V, Straube A, Ballinger DG, Zhan Y, Daly MJ, Cox DR, Dichgans M, van den Maagdenberg AM, Kubisch C, Martin NG, Wessman M, Peltonen L, Palotie A. A high-density association screen of 155 ion transport genes for involvement with common migraine. Hum Mol Genet. 2008; 17(21):3318-31

499. Lutkenhoff ES, van Erp TG, Thomas MA, Therman S, Manninen M, Huttunen MO, Kaprio J, Lönnqvist J, O'Neill J, Cannon TD. Proton MRS in twin pairs discordant for schizophrenia. Mol Psychiatry. 2008 Jul 22. Epub ahead of print

502. Knaapila A, Tuorila H, Kyvik KO, Wright MJ, Keskitalo K, Hansen J, Kaprio J, Perola M, Silventoinen K. Self-Ratings of Olfactory Function Reflect Odor Annoyance Rather than Olfactory Acuity The Laryngoscope 2008. 118:2212-2217.

503. Estlander AM, Knaster P, Karlsson H, Kaprio J, Kalso E. Pain intensity influences the relationship between anger management style and depression. Pain. 2008; 140(2):387-92.

505. Sihvola E, Rose RJ, Dick DM, Pulkkinen L, Marttunen M, Kaprio J. Early-onset depressive disorders predict the use of addictive substances in adolescence: a prospective study of adolescent Finnish twins. Addiction. 2008 Dec;103(12):2045-53.

506. Harkonmäki K, Silventoinen K, Levälahti E, Pitkäniemi J, Huunan-Seppälä A, Klaukka T, Koskenvuo M, Kaprio J. The genetic liability to disability retirement: a 30-year follow-up study of 24,000 Finnish twins. PLoS ONE. 2008;3(10):e3402. Epub 2008 Oct 15.

510. Raevuori A, Kaprio J, Hoek HW, Sihvola E, Rissanen A, Keski-Rahkonen A. Anorexia and Bulimia Nervosa in Same-Sex and Opposite-Sex Twins: Lack of Association With Twin Type in a Nationwide Study of Finnish Twins. Am J Psychiatry. 2008 ; 165(12):1604-10.

511. Battié MC, Videman T, Levälahti E, Gill K, Kaprio J. Genetic and Environmental Effects on Disc Degeneration by Phenotype and Spinal Level: A Multivariate Twin Study. Spine. 2008 Dec 1;33(25):2801-2808.

2007

412. Korhonen T, Broms U, Varjonen J, Romanov K, Koskenvuo M, Kinnunen T, Kaprio J. Smoking behaviour as a predictor of depression among Finnish men and women: a prospective cohort study of adult twins. Psychol Med. 2007 May;37(5):705 15.

413. Broms U, Madden PA, Heath AC, Pergadia ML, Shiffman S, Kaprio J. The Nicotine Dependence Syndrome Scale in Finnish smokers. Drug Alcohol Depend. 2007 Jun 15;89(1):42 51.

414. Kaunisto MA, Kallela M, Hamalainen E, Kilpikari R, Havanka H, Harno H, Nissila M, Sako E, Ilmavirta M, Liukkonen J, Teirmaa H, Tornwall O, Jussila M, Terwilliger J, Farkkila M, Kaprio J, Palotie A, Wessman M. Testing of variants of the MTHFR and ESR1 genes in 1798 Finnish individuals fails to confirm the association with migraine with aura. Cephalalgia. 2006 Dec;26(12):1462 72.

415. Marja Heinonen-Guzejev, Heikki S. Vuorinen, Helena Mussalo-Rauhamaa, Kauko Heikkilä, Markku Koskenvuo, Jaakko Kaprio. The association of noise sensitivity with coronary heart and cardiovascular mortality among Finnish adults. Science of the Total Environment 2007;372:406 12. (2.224)

416. Keski Rahkonen A, Bulik CM, Pietilainen KH, Rose RJ, Kaprio J, Rissanen A. Eating styles, overweight and obesity in young adult twins. Eur J Clin Nutr. 2007 Jan 24; Epub ahead of print.

417. K. H. Pietiläinen, M. Sysi-Aho, A. Rissanen, T. Seppänen-Laakso, H. Yki-Järvinen, J. Kaprio, and M. Orešisc. Acquired obesity is associated with changes in the serum lipidomic profile independent of genetic effects - a monozygotic twin study, PLoS ONE 1, e218 (2007).

418. Battie MC, Videman T, Levalahti E, Gill K, Kaprio J. Heritability of low back pain and the role of disc degeneration. Pain. 2007 Feb 28; Epub ahead of print (IF 4.31).

419. Koskenvuo M, Hublin C, Partinen M, Heikkilä K, Kaprio J. Heritability of diurnal type - a nationwide study of 8753 adult twin pairs. J Sleep Res 2007; 16: 156-62 (IF=3.329).

420. Hanna-Reetta Lajunen, Anna Keski-Rahkonen, Lea Pulkkinen, Richard J Rose, Aila Rissanen and Jaakko Kaprio. Are computer and cell phone use associated with body mass index and overweight? A population study among twin adolescents. BMC Public Health 2007 Feb 26;7:24.

421. Uusitalo AL, Vanninen E, Levalahti E, Battie MC, Videman T, Kaprio J. The role of genetic and environmental influences on heart rate variability in middle aged men. Am J Physiol Heart Circ Physiol. 2007; 293(2):H1013-22

422. Hannukainen JC, Janatuinen T, Toikka JO, Jarvisalo MJ, Heinonen OJ, Kapanen J, Nagren K, Nuutila P, Kujala UM, Kaprio J, Knuuti J, Kalliokoski KK. Myocardial and peripheral vascular functional adaptation to exercise training. Scand J Med Sci Sports. 2007 Apr;17(2):139 47. (2.15).

425. Dick DM, Viken R, Purcell S, Kaprio J, Pulkkinen L, Rose RJ. Parental monitoring moderates the importance of genetic and environmental influences on adolescent smoking. J Abnorm Psychol. 2007 Feb;116(1):213 8.

426. Donescu OS, Battie MC, Kaprio J, Levalahti E, Risteli J, Eyre D, Videman T. Genetic and constitutional influences on bone turnover markers: a study of male twin pairs. Calcif Tissue Int. 2007 Feb;80(2):81 8.

427. Viken RJ, Kaprio J, Koskenvuo M, Rose RJ. Personality at ages 16 and 17 and drinking problems at ages 18 and 25. Twin Research and Human Genetics. 2007; 10:25-32.

428. Anne Viljanen, Pertti Era, Jaakko Kaprio, Ilmari Pyykkö, Markku Koskenvuo, and Taina Rantanen. Genetic and environmental influences on hearing in older women The Journal of Gerontology: Medical Sciences 2007 Apr; 62(4):447-52.(3.5).

429. Saccone SF, Pergadia ML, Loukola A, Broms U, Montgomery GW, Wang JC, Agrawal A, Dick DM, Heath AC, Todorov AA, Maunu H, Heikkila K, Morley KI, Rice JP, Todd RD, Kaprio J, Peltonen L, Martin NG, Goate AM, Madden PA. Genetic linkage to chromosome 22q12 for a heavy smoking quantitative trait in two independent samples. Am J Hum Genet. 2007 May;80(5):856 66.

430. Tiainen K, Pajala S, Sipila S, Kaprio J, Koskenvuo M, Alen M, Heikkinen E, Tolvanen A, Rantanen T. Genetic effects in common on maximal walking speed and muscle performance in older women. Scand J Med Sci Sports. 2007;17(3):274-80.

431. Danielle M. Dick, Jason L. Pagan, Richard Viken, Shaun Purcell, Jaakko Kaprio, Lea Pulkkinen and Richard J. Rose. Changing Environmental Influences on Substance Use Across Development. Twin Research and Human Genetics 2007; 10: 315-326.

432. Koskela AK, Keski-Rahkonen A, Sihvola E, Kauppinen T, Kaprio J, Ahonen A, Rissanen A. Serotonin transporter binding of [123I]ADAM in bulimic women, their healthy twin sisters, and healthy women: A SPET study. BMC Psychiatry. 2007 May 21;7(1):19. Epub ahead of print.

435. Kujala UM, Kaprio J, Rose RJ. Physical activity in adolescence and smoking in young adulthood: a prospective twin cohort study. Addiction. 2007 Jul;102(7):1151-7.

436: Perola M, Sammalisto S, Hiekkalinna T, Martin NG, Visscher PM, Montgomery GW, Benyamin B, Harris JR, Boomsma D, Willemsen G, Hottenga JJ, Christensen K, Kyvik KO, Sorensen TI, Pedersen NL, Magnusson PK, Spector TD, Widen E, Silventoinen K, Kaprio J, Palotie A, Peltonen L; GenomEUtwin Project. Combined Genome Scans for Body Stature in 6,602 European Twins: Evidence for Common Caucasian Loci. PLoS Genet. 2007 Jun 8;3(6):e97. Epub ahead of print.

437: Loukola A, Broms U, Maunu H, Widen E, Heikkilä K, Siivola M, Salo A, Pergadia ML, Nyman E, Sammalisto S, Perola M, Agrawal A, Heath AC, Martin NG, Madden PA, Peltonen L, Kaprio J. Linkage of nicotine dependence and smoking behavior on 10q, 7q and 11p in twins with homogeneous genetic background. Pharmacogenomics J. 2007 Jun 5. (Epub ahead of print).

438: Videman T, Levälahti E, Battie MC, Simonen R, Vanninen E, Kaprio J. Heritability of Bone Density of Femoral Neck and Lumbar Spine: A Multivariate Twin Study of Finnish Men. J Bone Miner Res. 2007 Sep;22(9):1455-62.

439. Ellen Lundqvist, Jaakko Kaprio, Pia K Verkasalo, Eero Pukkala, Markku Koskenvuo, Karin C Söderberg, Maria Feychting. Co-twin control and cohort analyses of body mass index and height in relation to breast, prostate, ovarian, corpus uteri, colon and rectal cancer among Swedish and Finnish twins. International Journal of Cancer. 2007 ;121(4):810-818.

440. Raevuori A, Dick DM, Keski-Rahkonen A, Pulkkinen L, Rose RJ, Rissanen A, Kaprio J, Viken RJ, Silventoinen K. Genetic and environmental factors affecting self-esteem from age 14 to 17: a longitudinal study of Finnish twins. Psychol Med. 2007 Nov;37(11):1625-33.

441. Keski-Rahkonen A, Hoek HW, Susser ES, Linna MS, Sihvola E, Raevuori A, Bulik CM, Kaprio J, Rissanen A. Epidemiology and course of anorexia nervosa in the community. Am J Psychiatry. 2007 Aug;164(8):1259-65.

444. Parssinen O, Era P, Tolvanen A, Kaprio J, Koskenvuo M, Rantanen T. Heritability of Intraocular Pressure in Older Female Twins. Ophthalmology. 2007 Dec;114(12):2227-31.

445. Saarni SE, Silventoinen K, Rissanen A, Sarlio-Lahteenkorva S, Kaprio J. Recurrent dieting and smoking among Finnish men and women. Obesity (Silver Spring). 2007 Jul;15(7):1851-9.

447. Brian S. Mustanski, Richard Viken, Jaakko Kaprio, Torsten Winter & Richard J. Rose. Sexual Behavior in Young Adulthood: A Population-Based Twin Study. Health Psychology 2007;26(5):610-7. 3.513.

449. Ebba Hedlund, Jaakko Kaprio, Anders Lange, Markku Koskenvuo, Laura Jartti, Tapani Rönnemaa, Niklas Hammar. Migration and coronary heart disease. A study of Finnish twins living in Sweden and their co twins residing in Finland. Scand J Public Health 2007;35(5):468-74.

450. Dick DM, Pagan JL, Holliday C, Viken R, Pulkkinen L, Kaprio J, Rose RJ. Gender Differences in Friends' Influences on Adolescent Drinking: A Genetic Epidemiological Study. Alcohol Clin Exp Res. 2007;31:2012-9.

451. Hammar N, Hakala P, Jorgensen L, Becker W, Hedlund E, Ronnemaa T, Koskenvuo M, Kaprio J. Migration and differences in dietary habits-a cross sectional study of Finnish twins in Sweden. Eur J Clin Nutr. 2007 Oct 17; Epub ahead of print.

452. Kaprio J. Differences in Smoking Habits of MZ and DZ Twins: A Commentary on Tishler and Carey. Twin Res Hum Genet. 2007;10:718-20.

454. Videman T, Battie MC, Ripatti S, Jurvelin J, Vanninen E, Kaprio J. Determinants of Changes in Bone Density: A 5-Year Follow-Up Study of Adult Male Monozygotic Twins. J Clin Densitom. 2007 Oct-Dec;10(4):408-14.

455. Hublin C, Partinen M, Koskenvuo M, Kaprio J. Sleep and mortality: a population-based 22-year follow-up study. Sleep. 2007;30:1245-53.

456. Li W, Zhou Y, Jentsch JD, Brown RA, Tian X, Ehninger D, Hennah W, Peltonen L, Lonnqvist J, Huttunen MO, Kaprio J, Trachtenberg JT, Silva AJ, Cannon TD. Specific developmental disruption of disrupted-in-schizophrenia-1 function results in schizophrenia-related phenotypes in mice. Proc Natl Acad Sci U S A. 2007; 104:18280-5.

457. Anja C. Huizink, Danielle M. Dick, Elina Sihvola, Lea Pulkkinen, Richard J. Rose, Jaakko Kaprio. Chernobyl exposure as stressor during pregnancy and behaviour in adolescent offspring. Acta Psychiatrica Scandinavica 2007; 116:438-446.

459. Viljanen A, Kaprio J, Pyykkö I, Sorri M, Kauppinen M, Koskenvuo M, Rantanen T. Genetic and environmental influences on hearing at different frequencies separately for the better and worse hearing ear in older women. Int J Audiol. 2007 Dec;46(12):772-9.

2006

376. Pajala S, Era P, Koskenvuo M, Kaprio J, Tolvanen A, Rantanen T. Genetic and environmental contribution to postural balance of older women in single and dual task situations. Neurobiol Aging 2007 Jun;28(6):947-54. Epub 2006 May 15.

377. Pajala S, Era P, Koskenvuo M, Kaprio J, Viljanen A, Rantanen T. Genetic factors and susceptibility to falls in older women. J Am Geriatr Soc 2006;54:613-618.

379. Broms U, Silventoinen K, Madden PA, Heath AC, Kaprio J. Genetic architecture of smoking behavior: a study of Finnish adult twins. Twin Res Hum Genet 2006;9:64-72.

380. Pietiläinen KH, Kannisto K, Korsheninnikova E, Rissanen A, Kaprio J, Ehrenborg E, Hamsten A, Yki-Järvinen H. Acquired obesity increases CD68 and TNF-alpha and decreases adiponectin gene expression in adipose tissue. A study in monozygotic twins. J Clin Endocrinol Metab 2006 Jul;91(7):2776-81.

383. Raevuori A, Keski-Rahkonen A, Bulik CM, Rose RJ, Rissanen A, Kaprio J. Muscle dissatisfaction in young adult men. Clin Pract Epidemol Ment Health 2006;2:6.

384. Pagan JL, Rose RJ, Viken RJ, Pulkkinen L, Kaprio J, Dick DM. Genetic and Environmental Influences on Stages of Alcohol Use Across Adolescence and into Young Adulthood. Behav Genet 2006 Jul;36(4):483-97.

387. Portegijs E, Sipila S, Pajala S, Lamb SE, Alen M, Kaprio J, Kosekenvuo M, Rantanen T. Asymmetrical lower extremity power deficit as a risk factor for injurious falls in healthy older women. J Am Geriatr Soc 2006;54:551-553.

388. Videman T, Battie MC, Ripatti S, Gill K, Manninen H, Kaprio J. Determinants of the progression in lumbar degeneration: a 5-year follow-up study of adult male monozygotic twins. Spine 2006;31:671-678.

389. Särkijärvi S, Kuusisto H, Paalavuo R, Levula M, Airla N, Lehtimäki T, Kaprio J, Koskenvuo M, Elovaara I. Gene expression profiles in Finnish twins with multiple sclerosis. BMC Med Genet 2006;7:11.

390. Silventoinen K, Zdravkovic S, Skytthe A, McCarron P, Herskind AM, Koskenvuo M, de Faire U, Pedersen N, Christensen K, Kaprio J. Association between height and coronary heart disease mortality: a prospective study of 35,000 twin pairs. Am J Epidemiol 2006;163:615-621.

392. Hjelmborg JV, Iachine I, Skytthe A, Vaupel JW, Mcgue M, Koskenvuo M, Kaprio J, Pedersen NL, Christensen K. Genetic influence on human lifespan and longevity. Hum Genet 2006;119:312-321.

394. Hirvonen J, van Erp TG, Huttunen J, Nagren K, Huttunen M, Aalto S, Lönnqvist J, Kaprio J, Cannon TD, Hietala J. Striatal dopamine D1 and D2 receptor balance in twins at increased genetic risk for schizophrenia. Psychiatry Res 2006;146:13-20.

395. Suviolahti E, Reue K, Cantor RM, Phan J, Gentile M, Naukkarinen J, Soro-Paavonen A, Oksanen L, Kaprio J, Rissanen A, Salomaa V, Kontula K, Taskinen MR, Pajukanta P, Peltonen L. Cross-species analyses implicate Lipin 1 involvement in human glucose metabolism. Hum Mol Genet 2006;15:377-386.

396. Anttila V, Kallela M, Oswell G, Kaunisto MA, Nyholt DR, Hämälainen E, Havanka H, Ilmavirta M, Terwilliger J, Sobel E, Peltonen L, Kaprio J, Färkkilä M, Wessman M, Palotie A. Trait components provide tools to dissect the genetic susceptibility of migraine. Am J Hum Genet. 2006 Jul;79(1):85 99. Epub 2006 May 10.

398. Keski Rahkonen A, Sihvola E, Raevuori A, Kaukoranta J, Bulik CM, Hoek HW, Rissanen A, Kaprio J.
Reliability of self reported eating disorders: Optimizing population screening. Int J Eat Disord. 2006; 39: 754-62.

399 Silventoinen K, Posthuma D, Lahelma E, Rose RJ, Kaprio J. Genetic and Environmental Factors Affecting Self-Rated Health from Age 16-25: A Longitudinal Study of Finnish Twins. Behav Genet. 2007; 37: 326-333.

400. Ahveninen J, Jääskelainen IP, Osipova D, Huttunen MO, Ilmoniemi RJ, Kaprio J, Lonnqvist J, Manninen M, Pakarinen S, Therman S, Näätänen R, Cannon TD. Inherited Auditory - Cortical Abnormalities in Twin Pairs Discordant for Schizophrenia. Biol Psychiatry. 2006; 60(6):612-20.

401. Pietiläinen KH, Bergholm R, Rissanen A, Kaprio J, Hakkinen AM, Sattar N, Yki Järvinen H. Effects of acquired obesity on endothelial function in monozygotic twins. Obesity (Silver Spring). 2006 May;14(5):826 37.

402. Sihvola E, Keski Rahkonen A, Dick DM, Pulkkinen L, Rose RJ, Marttunen M, Kaprio J. Minor depression in adolescence: Phenomenology and clinical correlates. J Affect Disord. 2007; 97: 211-218.

403. Hannukainen JC, Nuutila P, Kaprio J, Heinonen O, Kujala UM, Janatuinen T, Ronnemaa T, Kapanen J, Haaparanta Solin M, Viljanen T, Knuuti J, Kalliokoski KK. Relationship between local perfusion and FFA uptake in human skeletal muscle no effect of increased physical activity and aerobic fitness. J Appl Physiol. 2006; 101: 1303-11

404. Raevuori A, Keski Rahkonen A, Rose RJ, Rissanen A, Kaprio J. Muscle dissatisfaction and muscle enhancing substance use: a population based twin study in young adult men. Twin Res Hum Genet. 2006 Jun;9(3):431 7.

405. Ebba Hedlund, Niklas Hammar, Anders Lange, Markku Koskenvuo, Lena Jörgensen, Jaakko Kaprio. Migrating Twins: A study of welfare components among Finnish twins living in Sweden and their cotwins residing in Finland. Journal of Ethnic and Migration Studies. 2006;32:3-28.

406. Vierikko E , Pulkkinen L, Kaprio J, Rose RJ. Genetic and environmental sources of continuity and change in teacher-rated aggression during early adolescence. Aggressive Behavior 2006; 32:308-320.

407. K. Karlsgodt, D. Glahn, T.G.M. van Erp, S. Therman, M. Huttunen, M. Manninen, J. Lonnqvist, J Kaprio, M.S. Cohen, T.D. Cannon. The Relationship Between Performance and fMRI Signal During Working Memory in Patients with Schizophrenia, Unaffected Co-Twins, and Control Subjects. Schizophrenia Research 2007; 89:191-197. (ePub Oct 4, 2006)

408. Alfredo Ortega-Alonso, Nancy L. Pedersen, Urho M. Kujala, Sarianna Sipilä, Timo Törmäkangas, Jaakko Kaprio, Markku Koskenvuo, Taina Rantanen. A Twin Study on the Heritability of Walking Ability Among Older Women. The Journal of Gerontology: Medical Sciences 2006; 61: 1082-5.

409. Jarna Christina Hannukainen, Pirjo Nuutila, Ronald Borra, Jaakko Kaprio, Urho M Kujala, Tuula Janatuinen, Olli J Heinonen, Jukka Kapanen, Tapio Viljanen, Merja Haaparanta, Tapani Rönnemaa, Riitta Parkkola, Juhani Knuuti, and Kari K Kalliokoski. Increased physical activity decreases hepatic free fatty acid uptake: a study in monozygotic twins. J Physiol. 2007 Jan 1;578(Pt 1):347 58 (4.352)

410. Hirvonen J, van Erp TG, Huttunen J, Aalto S, Nagren K, Huttunen M, Lonnqvist J, Kaprio J, Cannon TD, Hietala J. Brain dopamine d1 receptors in twins discordant for schizophrenia. Am J Psychiatry. 2006 Oct;163(10):1747 53.

411. Stubbe JH, Boomsma DI, Vink JM, Cornes BK, Martin NG, Skytthe A, Kyvik KO, Rose RJ, Kujala UM, Kaprio J, Harris JR, Pedersen NL, Hunkin J, Spector TD, de Geus EJ. Genetic influences on exercise participation in 37.051 twin pairs from seven countries PLoS ONE. 2006 Dec 20;1:e22.

2005

357. Tiainen K, Sipilä S, Alén M, Heikkinen E, Kaprio J, Koskenvuo M, Pajala S, Rantanen T: Shared Genetic and Environmental Effects on Strength and Power in Older Female Twins. Medicine & Science in Sports & Exercise; 37(1):72-78, January 2005.

340. Stuart G. Baker, Paul Lichtenstein, Jaakko Kaprio, and Niels Holm. Genetic Susceptibility to Prostate, Breast and Colorectal Cancer Among Nordic Twins. Biometrics 61(1):55-63, March 2005.

358. Dick DM, Viken RJ, Kaprio J, Pulkkinen L, Rose RJ. Understanding the Covariation between Childhood Externalizing Disorders: Genetic and Environmental Influences on Conduct Disorder, Attention Deficit Hyperactivity Disorder, and Oppositional Defiant Disorder Symptoms. J Abnormal Child Psych; 33(2):219-229, April 2005.

365. Varpu Penninkilampi-Kerola, Irma Moilanen, and Jaakko Kaprio. Co-twin dependence in relation to twins' social interactions, schooling and parental socio-economic status - A population based study of adolescent twins and their parents. Journal of social and personal relationships; 22(4):519, 2005.

366. Lasse Mikkelsson, Jaakko Kaprio Hannu Kautiainen, Urho Kujala, Heimo Nupponen. Associations between self-estimated and measured physical fitness among 40-year-old men and women. Scand J Sports Exer Med; 15(5):329-335, October 2005.

334. Mari A. Kaunisto, Päivi J. Tikka, Mikko Kallela, Suzanne M. Leal, Jeanette C. Papp, Arja Korhonen, Eija Hämäläinen, Hanna Harno, Hannele Havanka, Jaakko Kaprio, Markus Färkkilä, Roel A. Ophoff, Aarno Palotie, Maija Wessman. Chromosome 19p13 loci in Finnish migraine with aura families. Am J Med Genet (Psychiatric Genetics) (2005:132:85-89).

343. Kaprio J, Marttila R. Demographic Trends in Multiple Births: Nordic Countries. In Blickstein I, Keith L (eds.) Multiple pregnancy: Epidemiology, Gestation & Perinatal Outcome, 2nd edition, 2005. Taylor & Francis, London: ISBN 1842142399. Pp. 22-25.

344. Koivumaa-Honkanen H, Kaprio J, Honkanen RJ, Viinamaki H, Koskenvuo M. The stability of life satisfaction in a 15-year follow-up of adult Finns healthy at baseline. BMC Psychiatry. 2005 Jan 18;5(1):4.

345. Baker SG, Lichtenstein P, Kaprio J, Holm N. Genetic Susceptibility to Prostate, Breast, and Colorectal Cancer among Nordic Twins. Biometrics. 2005;61:55-63.

346. Jussi Hirvonen, Theo G.M. van Erp, Jukka Huttunen, Kjell Någren, Matti Huttunen, Jouko Lönnqvist, Jaakko Kaprio, Jarmo Hietala, Tyrone D. Cannon. Increased Caudate Dopamine D2 Receptor Availability as a Genetic Marker for Schizophrenia. Arch Gen Psychiatry. 2005;62:371-378.

348. Anna Keski-Rahkonen, Cynthia M. Bulik, Benjamin Neale , Richard J. Rose, Aila Rissanen, Jaakko Kaprio. Body dissatisfaction and drive for thinness in Finnish young adult twins. Int J Eat Disord 2005; 37:188-199.

349. Kieseppä T, Tuulio-Henriksson A, Haukka J, Van Erp T, Glahn D, Cannon TD, Partonen T, Kaprio J, Lönnqvist J. Memory and verbal learning functions in twins with bipolar-I disorder, and the role of information-processing speed. Psychol Med. 2005;35:205-15.

350. Dick DM, Viken RJ, Kaprio J, Pulkkinen L, Rose RJ. Understanding the covariation among childhood externalizing symptoms: genetic and environmental influences on conduct disorder, attention deficit hyperactivity disorder, and oppositional defiant disorder symptoms. J Abnorm Child Psychol. 2005;33:219-29.

352. Eriksson CJ, Kaprio J, Pulkkinen L, Rose RJ. Testosterone and Alcohol Use among Adolescent Male Twins: Testing Between-Family Associations in Within-Family Comparisons. Behav Genet. 2005;35:359-68.

353. Katoh S, Lehtovirta M, Kaprio J, Harjutsalo V, Koskenvuo M, Eriksson J, Tajima N, Tuomilehto J. Genetic and environmental effects on fasting and post-challenge plasma glucose and serum insulin values in Finnish twins. J Clin Endocrinol Metab. 2005 ;90(5):2642-7.

354. Leinonen R, Kaprio J, Jylha M, Tolvanen A, Koskenvuo M, Heikkinen E, Rantanen T. Genetic influences underlying self-rated health in older female twins. J Am Geriatr Soc. 2005 ;53:1002-7.

355. Keski-Rahkonen A, Neale BM, Bulik CM, Pietilainen KH, Rose RJ, Kaprio J, Rissanen A. Intentional weight loss in young adults: sex-specific genetic and environmental effects. Obes Res. 2005 ;13:745-53.

356. Jorgensen L, Hammar N, Kaprio J, Koskenvuo M, Svensson A. Migration and smoking: An epidemiological study of Finnish twins in Sweden. Scand J Public Health. 2005;33(4):285-91. (0.881)

359. Heinonen-Guzejev M, Vuorinen HS, Mussalo-Rauhamaa H, Heikkila K, Koskenvuo M, Kaprio J. Genetic component of noise sensitivity. Twin Res Hum Genet. 2005 Jun;8(3):245-9.

360. Penninkilampi-Kerola V, Kaprio J, Moilanen I, Rose RJ. Co-twin dependence modifies heritability of abstinence and alcohol use: a population-based study of Finnish twins. Twin Res Hum Genet. 2005 Jun;8(3):232-44.

361.Varpu Penninkilampi-Kerola, Jaakko Kaprio, Irma Moilanen. Co-twin dependence, social interactions, and academic achievement: A population-based study. Journal of Social and Personal Relationships. 2005;22(4):519-541.

362. Sorensen TIA, Korkeila M, Rissanen A, Kaprio J. Intention to Lose Weight, Weight Changes,
and 18-y Mortality in Overweight Individuals without Co-Morbidities. Public Library of Science - Medicine 2005; 2(6): e171.

363. Hannukainen JC, Kujala UM, Toikka J, Heinonen OJ, Kapanen J, Vahlberg T, Kaprio J, Kalliokoski KK. Cardiac structure and function in monozygotic twin pairs discordant for physical fitness. Journal of Applied Physiology 2005;99: 535-541. IF 3.027.

364. Portegijs E, Sipila S, Alen M, Kaprio J, Koskenvuo M, Tiainen K, Rantanen T. Leg extension power asymmetry and mobility limitation in healthy older women. Arch Phys Med Rehabil. 2005 Sep;86(9):1838-42. IF 1.656.

367. Pirkola T, Tuulio-Henriksson A, Glahn D, Kieseppa T, Haukka J, Kaprio J, Lonnqvist J, Cannon TD. Spatial Working Memory Function in Twins with Schizophrenia and Bipolar Disorder. Biol Psychiatry. 2005 Aug 19; Epub ahead of print. .6.159.

368. M. Lehtovirta, J. Kaprio, L.Groop, M.Trombetta, R.C.Bonadonna. Heritability of model-derived parameters of beta cell secretion during intravenous and oral glucose tolerance tests: a study of twins. Diabetologia 2005; 48: 1604-13.

369. Järvenpää, Tarja, Juha O Rinne, Markku Koskenvuo, Ismo Räihä, Jaakko Kaprio. Binge Drinking in Midlife and Dementia Risk. Epidemiology 2005;16: 766-771.

370. Pietiläinen KH, Rissanen A, Kaprio J, Makimattila S, Hakkinen AM, Westerbacka J, Sutinen J, Vehkavaara S, Yki-Jarvinen H. Acquired obesity is associated with increased liver fat, intra-abdominal fat, and insulin resistance in young adult monozygotic twins. Am J Physiol Endocrinol Metab. 2005 Apr;288(4):E768-74.

371. Pajala S, Era P, Koskenvuo M, Kaprio J, Alen M, Tolvanen A, Tiainen K, Rantanen T. Contribution of Genetic and Environmental Factors to Individual Differences in Maximal Walking Speed With and Without Second Task in Older Women. J Gerontol A Biol Sci Med Sci. 2005;60:1299-1303.

372. Heinonen-Guzejev M, Vuorinen HS, Mussalo-Rauhamaa H, Heikkila K, Koskenvuo M, Kaprio J. Somatic and psychological characteristics of noise-sensitive adults in Finland. Arch Environ Health. 2004 Aug;59(8):410-7. (0.91)

373. Cannon TD, Hennah W, van Erp TG, Thompson PM, Lonnqvist J, Huttunen M, Gasperoni T, Tuulio-Henriksson A, Pirkola T, Toga AW, Kaprio J, Mazziotta J, Peltonen L. Association of DISC1/TRAX Haplotypes With Schizophrenia, Reduced Prefrontal Gray Matter, and Impaired Short- and Long-term Memory. Arch Gen Psychiatry. 2005; 62:1205-13 (11.2).

374. Hämäläinen J, Poikolainen K, Isometsä E, Kaprio J, Heikkinen M, Lindeman S, Aro H. Major depressive episode related to long unemployment and frequent alcohol intoxication. Nord J Psychiatry. 2005;59(6):486-91.

375. Verkasalo PK, Lillberg K, Stevens RG, Hublin C, Partinen M, Koskenvuo M, Kaprio J. Sleep duration and breast cancer: a prospective cohort study. Cancer Res. 2005 Oct 15;65(20):9595-600.

2004

293. Tiainen K, Sipila S, Alen M, Heikkinen E, Kaprio J, Koskenvuo M, Tolvanen A, Pajala S, Rantanen T. Heritability of maximal isometric muscle strength in older female twins. J Appl Physiol. 2004; 96: 173-180.

294. Pajala S, Era P, Koskenvuo M, Kaprio J, Tolvanen A, Heikkinen E, Tiainen K, Rantanen T. The contribution of genetic and environmental effects to postural balance in older female twins. J Appl Physiol. 2004;96(1):308-15.

312. Tarja Järvenpää, Mikko Laakso, Roberta Rossi, Markku Koskenvuo,Jaakko Kaprio, Ismo Räihä, Timo Kurki, Matti Laine, Giovanni B. Frisoni, Juha O. Rinne. Hippocampal MRI Volumetry in Cognitively Discordant Monozygotic Twin Pairs. J Neurol Neurosurg Psychiatry 2004; 75: 116-20.

313. Koivumaa-Honkanen H, Koskenvuo M, Honkanen RJ, Viinamaki H, Heikkila K, Kaprio J. Life dissatisfaction and subsequent work disability in an 11-year follow-up. Psychol Med. 2004;34:221-8.

314. Sanna Takkinen, Asko Tolvanen, Jaakko Kaprio, Stig Berg, Markku Koskenvuo, Taina Rantanen. The Genetic and Environmental Effects on Depressive Symptoms Among Older Female Twins. Twin Research 2004; Volume 7 Number 6 pp. 626-636.

315. Suoma E Saarni, Karri Silventoinen, Aila Rissanen, Sirpa Sarlio-Lähteenkorva, Jaakko Kaprio. Intentional weight loss and smoking in young adults. Int J Obes 2004 28(6):796-802.

316. Madden PAF, Pedersen NL, Kaprio J, Koskenvuo M, Martin NG. The epidemiology and genetics of smoking initiation and persistence: Cross-cultural comparisons of twin study results. Twin Research 2004; 7; 82-97.

317. van Erp TG, Saleh PA, Huttunen M, Lonnqvist J, Kaprio J, Salonen O, Valanne L, Poutanen VP, Standertskjold-Nordenstam CG, Cannon TD. Hippocampal volumes in schizophrenic twins. Arch Gen Psychiatry. 2004; 61(4):346-53.

319. Gertow K, Pietilainen KH, Yki-Jarvinen H, Kaprio J, Rissanen A, Eriksson P, Hamsten A, Fisher RM. Expression of fatty-acid-handling proteins in human adipose tissue in relation to obesity and insulin resistance. Diabetologia. 2004; 47: 1118-25.

320. Hernelahti M, Levähti E, Simonen RL, Kaprio J, Kujala UM, Uusitalo-Koskinen AL, Battie MC, Videman T. The relative roles of heredity and physical activity in adolescence and adulthood on blood pressure. J Appl Physiol. 2004 May 14.

321. Carlsson S, Hammar N, Grill V, Kaprio J. Coffee consumption and risk of type 2 diabetes in Finnish twins. Int J Epidemiol. 2004 Apr 22.

322. E Vierikko, L Pulkkinen, J Kaprio, RJ Rose. Genetic and Environmental Influences on the Covariance between Aggression and Hyperactivity-Impulsivity as Rated by Teachers and Parents. Twin Research 2004;7:261-274.

323. Ropponen A., Levälahti E., Videman T., Kaprio J, Battié MC. The Role of Genetics and
Environment in Lifting Force and Isometric Trunk Extensor Endurance. Physical Therapy 2004;84:608-621.

324. Keski-Rahkonen A, Viken RJ, Kaprio J, Rissanen A, Rose RJ. Genetic and Environmental Factors in Breakfast Eating Patterns. Behav Genet. 2004 ;34:503-514.

325. Marttila R, Kaprio J, Hallman M. Respiratory distress syndrome in twin infants compared with singletons. Am J Obstet Gynecol. 2004 ;191:271-6.

326. Barman SK, Pulkkinen L, Kaprio J, Rose RJ. Inattentiveness, parental smoking and adolescent smoking initiation. Addiction. 2004;99:1049-61.

327. Broms U, Silventoinen K, Lahelma E, Koskenvuo M, Kaprio J. Smoking cessation by socioeconomic status and marital status: the contribution of smoking behavior and family background. Nicotine Tob Res. 2004;6:447-55.

328. Karri Silventoinen, Bob Krueger, Thomas J Bouchard Jr., Jaakko Kaprio, Matt McGue. Heritability of Body Height and Educational Attainment in an International Context: Comparison of Adult Twins in Minnesota and Finland. Am J Human Biol. 2004; 16: 544-555.

330. Hernelahti M, Kujala U, Kaprio J. Stability and change of volume and intensity of physical activity as predictors of hypertension. Scand J Public Health. 2004;32(4):303-309.

331. Kannisto K, Pietiläinen KH, Ehrenborg E, Rissanen A, Kaprio J, Hamsten A, Yki-Järvinen H. Overexpression of 11ß-HSD-1 in Adipose Tissue is Associated with Acquired Obesity and Features of Insulin Resistance: Studies in Young Adult Monozygotic Twins. J Clin Endocrinol Metab. 2004 Sep;89(9):4414-4421.

332. Kieseppä T, Partonen T, Kaprio J, Lönnqvist J. The Genetic Epidemiology of Bipolar I Disorder in a Nationwide Sample of Finnish Twins. Am J Psychiatr 2004; 161(10):1814-21

333. Simonen R, Levälahti E, Kaprio J, Videman T and Battie MC. Multivariate Genetic Analysis of Lifetime
Exercise and Environmental Factors. Medicine & Science in Sports & Exercise 2004; 36(9):1559-66.

335. Karri Silventoinen, Sirpa Sarlio-Lähteenkorva, Markku Koskenvuo, Eero Lahelma, Jaakko Kaprio. Effect of environmental and genetic factors on education-associated disparities in weight and weight gain: a study of Finnish adult twins. Am J Clin Nutr 2004; 80:815-22.

336. Ruut Virtanen, Minna Aromaa, Markku Koskenvuo, Matti Sillanpää, Lea Pulkkinen, Liisa Metsähonkala, Sakari Suominen, Richard Rose, Hans Helenius, Jaakko Kaprio. Externalizing Problem Behaviors and Headache:
A Follow-up Study of Adolescent Finnish Twins. Pediatrics 2004; 114(4):981-7.

337. Brian S. Mustanski, Richard J. Viken, Jaakko Kaprio, Lea Pulkkinen, Richard J. Rose. Genetic and Environmental Influences on Pubertal Development: Longitudinal Data from 12-14 year-old Twins. Developmental Psychology 2004; 40:1188-98.

338. Kirsi H. Pietiläinen Aila Rissanen, Maria Laamanen1, Anna-Kaisa Lindholm, Harri Markkula, Hannele Yki-Järvinen Jaakko Kaprio. Growth patterns in young adult monozygotic twin pairs discordant and concordant for obesity. Twin Research 2004; 7:421-9.

339. Richard J. Rose, Danielle M. Dick, Richard J. Viken, Lea Pulkkinen and Jaakko Kaprio. Genetic and Environmental Effects on Conduct Disorder, Alcohol Symptoms, and their Covariation at Age 14. Alcoholism: Clinical and Experimental Research; 28(10):1541-1548, October 2004.

341. Marja Heinonen-Guzejev, Markku Koskenvuo, Heikki S. Vuorinen, Jaakko Kaprio, Helena Mussalo-Rauhamaa, Kauko Heikkilä. Characteristics of noise sensitive adults. Archives of Environmental Health; 59(8):410-417, August 2004.

342. Lajunen H-R, Anna Keski-Rahkonen, Lea Pulkkinen, Aila Rissanen, Jaakko Kaprio. Nuorten harrastukset ja niiden yhteydet ylipainoisuuteen 14- ja 17-vuotiailla. Sosiaalilääketieteellinen Aikakauslehti 4-2004.

347. Koivumaa-Honkanen H, Kaprio J, Honkanen R, Viinamäki H, Koskenvuo M. From life dissatisfaction to depression? Life satisfaction and depression in a 15-year follow-up of healthy adults. Social Psychiatry and Psychiatric Epidemiology; 39(12):994-999, December 2004.

351. Kirsi Hannele Pietiläinen, Aila Rissanen, Jaakko Kaprio, Sari Mäkimattila, Anna-Maija Häkkinen, Jukka Westerbacka, Jussi Sutinen, Satu Vehkavaara, Hannele Yki-Järvinen. Acquired obesity increases liver fat, intra-abdominal fat, and insulin resistance: Studies on monozygotic twins discordant and concordant for obesity. AJP: Endocrinology and Metabolism; 288(4):E768-774, December 2004.

2003

271. Gasperoni TL, J Ekelund, M Huttunen, CG Palmer, A Tuulio-Henriksson, J Lönnqvist, J Kaprio, M Koskenvuo, L Peltonen, TD Cannon. Genetic linkage and association between chromosome 1q and working memory function in schizophrenia. Am J Med Genet - Psychiatric Genetics 2003 ;116: 8-16.

272. Romanov K,Varjonen J, Kaprio J, Koskenvuo M. Life events and depressiveness - the effect of adjustment for psychosocial factors, somatic health and genetic liability. Acta Psychiatr Scand 2003;107:25-33.

273. Elina Vierikko, Lea Pulkkinen, Jaakko Kaprio, Richard Viken, Richard J. Rose. Sex Differences in Genetic and Environmental Effects on Aggression. Aggressive Behavior 2003;29:55-68.

274.Videman T, Battie MC, Gibbons LE, Maravilla K, Manninen H, Kaprio J. Associations Between Back Pain History and Lumbar MRI Findings. Spine 2003 ;28:582-8.

275. Huovinen E, Kaprio J, Laitinen LA, Koskenvuo M. Factors associated to Lifestyle and risk of adult-onset asthma. Resp Med 2003;97:273-80.

276. Valma Hyttinen, Jaakko Kaprio , Leena Kinnunen, Markku Koskenvuo, Jaakko Tuomilehto. Genetic Liability of Type 1 Diabetes and the Onset Age Among 22,650 Young Finnish Twin Pairs: A Nationwide Follow-Up Study. Diabetes. 2003 Apr;52(4):1052-1055.

277. Kirsi Lillberg, Pia K. Verkasalo, Jaakko Kaprio, Lyly Teppo, Hans Helenius, Markku Koskenvuo. Stressful life events and risk of breast cancer in 10,808 women: a cohort study. Am J Epidemiol. 2003;157:415-23.

278. Lea Pulkkinen, Inka Vaalamo, Risto Hietala, Jaakko Kaprio and Richard Rose. Peer Reports of Adaptive Behavior in Twins and Singletons: Is Twinship a Risk or an Advantage? Twin Research 2003;6:106-118.

279. Koivumaa-Honkanen H, Honkanen R, Kaprio J, Koskenvuo M. Self-reported unhappiness predicts suicide in ensuing 20 years. Social Psychiatry & Psychiatric Epidemiology 2003;38:244-8.

280. Glahn DC, Therman S, Manninen M, Huttunen MO, Kaprio J, Lönnqvist J, Cannon TD. Spatial working memory as an endophenotype for schizophrenia. Biological Psychiatry 2003;53:624-6.

281. Silventoinen K, Kaprio J, Koskenvuo M, Lahelma E. The association between body height and coronary heart disease among Finnish twins and singletons. Int J Epidemiol. 2003 Feb;32(1):78-82.

282. Richard J. Rose, Richard J. Viken, Danielle M. Dick, John Bates, Lea Pulkkinen, Jaakko Kaprio. It Does Take a Village: Nonfamilial Environments and Children's Behavior. Psychol Science 2003; 14:273-277.

283. Reeta Hakkarainen, Timo Partonen, Tuula Kieseppä, Markku Koskenvuo, Jaakko Kaprio and Jouko Lönnqvist. Seasonal changes, sleep length and circadian preference among twins with bipolar disorder. BMC Psychiatry 2003;3:6.

284. Brian S. Mustanski, Richard J.Viken, Jaakko Kaprio, Richard J. Rose. Genetic Influences on the Association Between Personality Risk Factors and Alcohol Use and Abuse. J Abnorm Psychol 2003 ;112:282-9.

285. Anna Keski-Rahkonen, Jaakko Kaprio, Aila Rissanen, Matti Virkkunen, Richard J. Rose. Breakfast skipping and health-compromising behaviors in adolescents and adults. Eur J Clin Nutr 2003;57: 842-853.

286. Jarvisalo MJ, Jartti L, Karvonen MK, Pesonen U, Koulu M, Marniemi J, Hammar N, Kaprio J, Paakkunainen U, Simell O, Raitakari OT, Ronnemaa T. Enhanced endothelium-dependent vasodilation in subjects with Proline7 substitution in the signal peptide of neuropeptide Y. Atherosclerosis. 2003;167:319-26.

287. Milan T, Verkasalo PK, Kaprio J, Koskenvuo M. Lifestyle differences in twin pairs discordant for basal cell carcinoma of the skin. Br J Dermatol. 2003 Jul;149(1):115-123.

288. Carlsson S, Hammar N, Hakala P, Kaprio J, Marniemi J, Ronnemaa T. Assessment of alcohol consumption by mailed questionnaire in epidemiological studies: evaluation of misclassification using a dietary history interview and biochemical markers. Eur J Epidemiol. 2003;18:493-501.

289. Kujala UM, Kaprio J, Koskenvuo M. Leisure and work-related physical activity as predictors of mortality) Am J Epidemiol. 2003;158:392-3. (Letter with original data)

290. Tarja Järvenpää, Ismo Räihä, Jaakko Kaprio, Markku Koskenvuo, Matti Laine, Timo Kurki, Tapio Viljanen, Juha O Rinne. A 90-Year-Old Monozygotic Female Twin Pair Discordant for Alzheimer's Disease. Neurobiology of Aging s, 2003;24: 941-945.

291. Karri Silventoinen, Jaakko Kaprio, Eero Lahelma, Richard J Rose, Richard J Viken. Assortative mating by body height and BMI: Finnish twins and their spouses. Am J Human Biol 2003; 15:620-7.

292. Simonen R, Videman T, Kaprio J, Levälahti E, Battié MC. Factors associated with exercise lifestyle - a study of monozygotic twins. Int J Sports Med. 2003 Sep;24(7):499-505.

297. Tarja Järvenpää, Ismo Räihä, Jaakko Kaprio, Markku Koskenvuo, Tero Vahlberg, Tapio Viljanen, Juha O Rinne. Regional Cerebral Glucose Metabolism in Monozygotic Twins Discordant for Alzheimer's Disease. Dementia and Geriatric Cognitive Disorders 2003;16(4):245-252.

298. Carlsson S, Hammar N, Grill V, Kaprio J. Alcohol consumption and the incidence of type 2 diabetes. A 20 year follow-up of the Finnish Twin Cohort Study. Diabetes Care 2003; 26: 2785-90.

299. Jartti L, Raitakari OT, Järvisalo MJ, Hammar N, Kaprio J, Koskenvuo M, Marniemi J, Saikku P, Rönnemaa T. Higher prevalence of Chlamydia pneumoniae seropositivity in Finnish twins compared to cotwins living in Sweden - relationships to markers of subclinical atherosclerosis. Clin Sci (Lond). 2003 ;105:303-13.

300. Tuula Kieseppä, Theo G.M. van Erp, Jari Haukka, Timo Partonen, Tyrone D. Cannon, Veli-Pekka Poutanen, Jaakko Kaprio, Jouko Lönnqvist. Reduced Left Hemispheric White Matter Volume in Twins with Bipolar I Disorder. Biol Psychiatry 2003;54: 896-905.

303. Skytthe A, Pedersen NL, Kaprio J, Stazi MA, Hjelmborg JV, Iachine I, Vaupel JW, Christensen K. Longevity studies in GenomEUtwin. Twin Res. 2003;6:448-54.

304. Gaist D, Pedersen NL, Koskenvuo M, Bak S, Giampaoli S, Christensen K, Kaprio J. Stroke research in GenomEUtwin.Twin Res. 2003 ;6:442-7.

305. Evans A, Van Baal GC, McCarron P, DeLange M, Soerensen TI, De Geus EJ, Kyvik K, Pedersen NL, Spector TD, Andrew T, Patterson C, Whitfield JB, Zhu G, MartinNG, Kaprio J, Boomsma DI. The genetics of coronary heart disease: the contribution of twin studies. Twin Res. 2003 ;6:432-41.

306. Mulder EJ, Van Baal C, Gaist D, Kallela M, Kaprio J, Svensson DA, Nyholt DR, Martin NG, MacGregor AJ, Cherkas LF, Boomsma DI, Palotie A. Genetic and environmental influences on migraine: a twin study across six countries. Twin Res. 2003 ;6:422-31.

307. Schousboe K, Willemsen G, Kyvik KO, Mortensen J, Boomsma DI, Cornes BK,Davis CJ, Fagnani C, Hjelmborg J, Kaprio J, De Lange M, Luciano M, Martin NG, Pedersen N, Pietilainen KH, Rissanen A, Saarni S, Sorensen TI, Van Baal GC, Harris JR. Sex differences in heritability of BMI: a comparative study of results from twin studies in eight countries.Twin Res. 2003 ;6:409-21.

308. Silventoinen K, Sammalisto S, Perola M, Boomsma DI, Cornes BK, Davis C,Dunkel L, De Lange M, Harris JR, Hjelmborg JV, Luciano M, Martin NG, Mortensen J, Nistico L, Pedersen NL, Skytthe A, Spector TD, Stazi MA, Willemsen G, Kaprio J. Heritability of adult body height: a comparative study of twin cohorts in eight countries. Twin Res. 2003 ;6:399-408.

309. Johnson JK, Tuulio-Henriksson A, Pirkola T, Huttunen MO, Lonnqvist J, Kaprio J, Cannon TD. Do schizotypal symptoms mediate the relationship between genetic risk for schizophrenia and impaired neuropsychological performance in co-twins of schizophrenic patients? Biol Psychiatry 2003;54:1200-4.

310. Suviolahti E, Oksanen LJ, Ohman M, Cantor RM, Ridderstrale M, Tuomi T, Kaprio J, Rissanen A, Mustajoki P, Jousilahti P, Vartiainen E, Silander K, Kilpikari R, Salomaa V, Groop L, Kontula K, Peltonen L, Pajukanta P. The SLC6A14 gene shows evidence of association with obesity. J Clin Invest. 2003 Dec;112(11):1762-72.

311. Harno H, Hirvonen T, Kaunisto MA, Aalto H, Levo H, Isotalo E, Kallela M, Kaprio J, Palotie A, Wessman M, Farkkila M. Subclinical vestibulocerebellar dysfunction in migraine with and without aura. Neurology. 2003 23;61:1748-52.

2002

246. Maija Wessman, Mikko Kallela, Mari Kaunisto, Eric Sobel, Greg Oswell, Suzanne M. Leal, Jeanette C. Papp, Jaana Hartiala, Petra Broas, Eija Hämäläinen, Iiris Hovatta, Tero Hiekkalinna, Pia Marttila, Geoff Joslyn, Jaakko Kaprio, Jürg Ott, Rita M. Cantor, John-Anker Zwart, Matti Ilmavirta, Hannele Havanka, Markus Färkkilä, Leena Peltonen, Aarno Palotie. A Susceptibility Locus for Migraine with Aura on Chromosome 4q24 Revealed by Genome-wide Screen in Finnish Families. Am J Hum Genet 2002;70:652-62.

247. L Jartti, T Rönnemaa, J Kaprio, MJ Järvisalo, JO Toikka, J Marniemi, N Hammar, L Alfredsson, M. Saraste,J Hartiala, M Koskenvuo, OT Raitakari. Population-Based Twin Study of the Effects of Migration From Finland to Sweden on Endothelial Function and Intima-Media Thickness. Arteriosclerosis Thromb Vasc Biol 2002: epub Feb 21 2002.

248. Tyrone D. Cannon, Paul M. Thompson, Theo G. M. van Erp, Arthur W. Toga, Veli-Pekka Poutanen, Matti Huttunen, Jouko Lonnqvist, Carl-Gustav Standerskjold-Nordenstam, Katherine L. Narr, Mohammad Khaledy, Chris I. Zoumalan, Rajneesh Dail, Jaakko Kaprio. Cortex Mapping Reveals Regionally Specific Patterns of Genetic and Disease-Specific Gray-matter Deficits in Twins Discordant for Schizophrenia. Proc Nat Acad Sciences U.S.A. 2002;99: 3228-33.

249. Järvenpää T, Rinne JO, Räihä I, Koskenvuo M, Löppönen M, Hinkka S, Kaprio J. Characteristics of two telephone screens for cognitive impairment. Dementia and Geriatric Cognitive Disorders 2002 ;13:149-155.

250. Inka Vaalamo, Lea Pulkkinen, Taru Kinnunen, Jaakko Kaprio, Richard J. Rose. Interactive Effects of Internalizing and Externalizing Problem Behaviors on Recurrent Pain in Children. Journal of Pediatric Psychology 2002 ;27:245-57.

251. Niklas Hammar, Jaakko Kaprio, Ulrika Hagström, Lars Alfredsson, Markku Koskenvuo, and Tomas Hammar. Migration and mortality: a 20 year follow-up of Finnish twin pairs with migrant co-twins in Sweden. J Epidemiol Comm Health. J Epidemiol Community Health. 2002;56:362-366.

252. Lillberg K, Verkasalo PK, Kaprio J, Teppo L, Helenius H, Koskenvuo M. A prospective study of life satisfaction, neuroticism and breast cancer risk (Finland). Cancer Causes Control 2002 ;13:191-8

253. Narr KL, Cannon TD, Woods RP, Thompson PM, Kim S, Asunction D, van Erp TG, Poutanen VP, Huttunen M, Lönnqvist J, Standerksjöld-Nordenstam CG, Kaprio J, Mazziotta JC, Toga AW. Genetic Contributions to Altered Callosal Morphology in Schizophrenia. J Neuroscience 2002 ;22:3720-9.

254. Rose RJ, Kaprio J, Winter T, Dick DM , Viken RJ , Pulkkinen L , Koskenvuo M. Femininity and Fertility in Sisters with Twin Brothers: Prenatal Androgenization? Cross-Sex Socialization? Psychological Science 2002; 13: 263-267.

255. Happonen M, Pulkkinen L, Kaprio J, Van der Meere J, Rose RJ. The heritability of depressive symptoms - multiple informants and multiple measures. The Journal of Child Psychology and Psychiatry and Allied Disciplines 2002;43:471-9.

256. Koivumaa-Honkanen H-T, Honkanen R, Viinamäki H, Heikkilä K; Kaprio J, Koskenvuo M. The role of life satisfaction and health related factors in fatal injuries during 20-year follow-up. Acta Psychiatr Scand 2002;105;444-50)

257. Kirsi Lillberg, Pia K. Verkasalo, Jaakko Kaprio, Hans Helenius, Markku Koskenvuo. Personality characteristics and the risk of breast cancer: A prospective cohort study. Int J Cancer 2002: 100:361-366.

258. Aarnio M, Winter T, Peltonen J, Kujala UM, Kaprio J. Stability of leisure-time physical activity during adolescence - a longitudinal study among 16, 17 and 18 year old Finnish youth. Scandinavian Journal of Medicine & Science in Sports 2002;12:179-185.

259 Jartti L, Raitakari OT, Kaprio J, Järvisalo MJ, Toikka JO, Marniemi J, Hammar N, Luotolahti M, Koskenvuo M, Rönnemaa T. Increased carotid intima-media thickness in men born in east Finland: a twin study of the effects of birthplace and migration to Sweden on subclinical atherosclerosis. Ann Med 2002;34:162-170.

260. Swerdlow AJ , B L de Stavola, B Floderus, N V Holm, J Kaprio, P Verkasalo, T Mack. Risk factors for breast cancer at young ages in twins: a collaborative population-based study from Denmark, England and Wales, Finland and Sweden. JNCI 2002; 94:1238-46.

261. Milán T, Verkasalo PK, Kaprio J, Koskenvuo M, Pukkala E. Malignant skin cancers in the Finnish Twin Cohort: a population-based study, 1976-97. Br J Dermatol 2002;147:509-512.

262. Kirsi H. Pietiläinen, Jaakko Kaprio, Maija Räsänen, Aila Rissanen, Richard J. Rose. Genetic and environmental influences on the tracking of body size from birth to early adulthood. Obesity Research 2002;10:875-884.

263. Aarnio M, Winter T, Kujala U, Kaprio J. Associations of health related behaviour, social relationships, and health status with persistent physical activity and inactivity: a study of Finnish adolescent twins. Br J Sports Med. 2002;36:360-4.

264. Heinonen P, Jartti L, Jarvisalo MJ, Pesonen U, Kaprio JA, Ronnemaa T, Raitakari OT, Scheinin M. Deletion polymorphism in the a2B-adrenergic receptor gene is associated with flow-mediated dilatation of the brachial artery. Clin Sci (Lond). 2002; 103:517-24.

265. Battie MC, Videman T, Gibbons LE, Manninen H, Gill K, Pope M, Kaprio J. Occupational driving and lumbar disc degeneration: a case-control study. Lancet 2002 ;360:1369-74.

266.Kujala UM, Kaprio J, Koskenvuo M. Modifiable Risk Factors as Predictors of All-Cause Mortality: The Roles of Genetics and Childhood Environment. Am J Epidemiol. 2002 Dec 1;156(11):985-993.

267. Narr KL, van Erp TGM, Cannon TD, Woods RP, Thompson PM, Jang S, Blanton R, Poutanen V-P, Huttunen M, Lönnqvist J, Standerksjöld-Nordenstam C-G, Kaprio J, Mazziota JC, Toga AW. A twin study of genetic contributions to hippocampal morphology in schizophrenia. Neurobiol Dis 2002;11 :83-95.

268. Kieseppä T, van Erp TG, Haukka J, Partonen T, Cannon TD, Poutanen VP, Kaprio J, Lönnqvist J. The volumetric findings in MRI brain study of bipolar twins and their healthy co-twins. Bipolar Disord. 2002;4 Suppl. 1:29-30.

269. Videman T, Battie MC, Gibbons LE, Vanninen E, Kaprio J, Koskenvuo M. The roles of adulthood behavioural factors and familial influences in bone density among men. Ann Med. 2002;34(6):434-43. (3.422)

270. Winter T, Karvonen S, Kaprio J, Lahelma E. Uskonnollisuuden yhteys raittiuden pysyvyyteen pojilla ja tytöillä. (Religiosity in relation to maintenance of abstinence, in Finnish) Sosiaalilääketieteellinen aikakauslehti 2002;39:273-287.

2001

227. Kaprio J, Eriksson J, Lehtovirta M,Tuomilehto J, Koskenvuo M. Heritability of leptin levels and the shared geneticveffects on body mass index and leptin in adult Finnish twins. Int J Obes 2001; 25: 132-7.

228. Huovinen E, Kaprio J, Laitinen LA, Koskenvuo M. Social predictors of adult asthma: a cotwin case-control study. Thorax 2001;56:234-236.

229. Videman T, Gibbons LE, Battié MC, Maravilla K, Vanninen E, Leppävuori J, Kaprio J, Peltonen L. The relative roles of intragenic polymorphisms of the Vitamin D receptor gene in lumbar spine degeneration and bone density. Spine 2001 Feb 1;26(3):E7-E12.

230. Koivumaa-Honkanen H, Honkanen R, Viinamäki H , Heikkilä K, Kaprio J, Koskenvuo M. Life satisfaction and suicide: A 20 year follow-up study. Am J Psychiatry 2001; 58:433-439

231. Mikkelsson M, Kaprio J, Salminen JJ , Pulkkinen L, Rose RJ. Widespread pain among 11-year old Finnish twin pairs. Arthritis and Rheumatism 2001;44:481-5

232. Lillberg K, Verkasalo PK, Kaprio J, Teppo L, Koskenvuo M. Stress of daily activities and risk of breast cancer. A 21-year prospective follow-up in 10500 women in Finland. Int J Cancer 2001; 91: 888-893.

233. Silventoinen K , Kaprio J, Lahelma E, Viken RJ, Rose RJ. Sex differences in the genetic and environmental factors contributing to body-height. Twin Research 2001; 4:25-29.

234. Richard J. Rose, Danielle M. Dick, Richard J. Viken, Jaakko Kaprio. Gene-Environment Interaction in Patterns of Adolescent Drinking: Regional Residency Moderates Longitudinal Influences on Alcohol Use. Alcohol Clin Exp Res 2001; 25(5):637-43.

235. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Insufficient sleep - a population-based study in adults. Sleep 2001;24:392-400.

236. Kirsi H Pietiläinen, Jaakko Kaprio, Maija Räsänen, Torsten Winter, Aila Rissanen, Richard J Rose. Tracking of Body Size from Birth to Late Adolescence: Contributions of Birth Length, Birth Weight, Duration of Gestation, Parents' Body Size, and Twinship. Am J Epidemiol 2001;154:21-9.

237. Perola M, Öhman M, Hiekkalinna T, Leppäävuori J, Pajukanta P, Wessman M, Koskenvuo M, Palotie A, Lange K, Kaprio J,Peltonen L. Quantitative-trait-locus analysis of body mass index and of stature, by combined analysis of five Finnish study groups. American Journal of Human Genetics 2001;69:117-23.

238. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Parasomnias: co-occurrence and genetics. Psychiatric Genetics 2001; 11: 65-70.

239. Danielle M. Dick, Richard J. Rose, Lea Pulkkinen, Jaakko Kaprio. Measuring Puberty and Understanding its Impact: A Longitudinal Study of Adolescent Twins. J Youth and Adolescence 2001;30:385-399.

241. Huovinen E, Kaprio J, Koskenvuo M. Asthma in relation to personality traits, life satisfaction, and stress: a prospective study among 11 000 adults. Allergy. 2001;56:971-7.

242. P M Thompson, T D Cannon, K L Narr, T van Erp, V-P Poutanen, M Huttunen, J Lönnqvist, C-G Standertskjöld-Nordenstam, J Kaprio, M Khaledy, R Dail, C I Zoumalan, A W Toga. Genetic influences on brain structure. Nature Neuroscience. 2001 ;4:1253-8.

243. Dick DM, Rose RJ, Viken RJ, Kaprio J & Koskenvuo M, Exploring Gene-Environment Interactions: Socio-Regional Moderation of Alcohol Use.Journal of Abnormal Psychology 2001;110: 625-632.

244. Richard J. Rose, Danielle M. Dick, Richard J. Viken, Lea Pulkkinen, Jaakko Kaprio. Drinking or Abstaining at Age 14? A Genetic Epidemiological Study. Alcohol Clin Exp Res 2001;25:1594-1604.

245. Räsänen M, Kaprio J, Laitinen T, Winter T, Koskenvuo M, Laitinen LA. Is risk for hay fever determined before or after birth? - A study among 2550 Finnish twin families. Twin Research 2001;4(5):392-399.

2000

200. Räsänen M, Kaprio J, Laitinen T, Winter T, Koskenvuo M, Laitinen LA. Perinatal risk factors for asthma in Finnish adolescent twins.Thorax 2000;55:25-31.

201. Milan T, Kaprio J, Verkasalo PK, Jansen CT, Teppo L, Koskenvuo M. Hereditary factors in basal cell carcinoma of the skin: a population_based cohort study in twins _ reply. Brit J Cancer 2000;82;248-249 (letter).

202. Kaprio J. General principles of twin studies - applications to research on migraine review with original data. Chapter 4. In: Olesen J, Bousser M-G (eds): Genetics of Headache Disorders. Frontiers in Headache Research, Vol 8. Lippincott Williams & Wilkins 2000: 19-26

203. MacGregor AJ, Snieder H, Rigby AS, Kaprio J, Aho K, Koskenvuo M, Silman AJ. Characterizing the quantitative genetic contribution to rheumatoid arthritis using data from twins. Arthritis and Rheumatism 2000;43:30-7

204. UM Kujala, J Kaprio, M Koskenvuo. Diabetes in a population-based series of twin pairs discordant for physical activity behavior. Diabetologia 2000;43:259 (brief original communication)

205. Sarlio-Lähteenkorva S, Rissanen A, Kaprio J. A descriptive study of weight loss maintenance: 6 and 15 years follow-up of initially overweight adults. Int J Obes 2000; 24:116-125

206. Dick DM, Rose RJ, Viken RJ, Kaprio J. Pubertal timing and and substance use: Associations between and within families across late adolescence. Developmental Psychology 2000; 36: 180-189

207. Lehtovirta M, Kaprio J, Forsblom C, Eriksson J, Tuomilehto J, Groop L. Insulin secretion and insulin sensitivity in monozygotic and dizygotic twin pairs. Diabetologia 2000;43: 285-293

208. Kujala UM, Kaprio J, Kannus P, Sarna S, Koskenvuo M. Physical activity and osteoporotic fracture risk in men. Arch Intern Med 2000;160:705-708

209. Silventoinen K, Kaprio J, Lahelma E, Koskenvuo M. The relative impact of genetic and environmental factors on body-height. Examining differences across birth cohorts among Finnish men and women. Am J Public Health 2000;90: 627-630

210. Wamboldt MZ, Hewitt JK, Schmitz S, Wamboldt FS, Räsänen M, Koskenvuo M, Romanov K, Varjonen J, Kaprio J. Familial association between allergic disorders and depression in Finnish adult twins. Am J Med Genet (Neuropsychiatric Genetics) 2000;96(2);146-153.

211. Kaprio J, Kujala UM, Koskenvuo M, Sarna S. Physical activity and other risk factors in male twin-pairs discordant for coronary heart disease. Atherosclerosis 2000; 50(1):193-200.

212. Salminen E, Sundström J, Sainio-Pöllänen S, Kaprio J, Pöllänen P. Testicular seminoma and diabetes in twins. Acta Oncol 2000;39:237-8.

215. Milan T, Pukkala E, Verkasalo PK, Kaprio J, Jansen CT, Koskenvuo M, Teppo L. Cancer incidence after a diagnosis of BCC: a nationwide cohort study in Finland 1953-1995. Int J Cancer 2000;87:283-288.

216. Cannon TD, Huttunen MO Lönnqvist J Tuulio-Henriksson AM, Huttunen T, Glahn D, Finkelstein J, Hietanen M, Kaprio J, Koskenvuo M: The inheritance of neuropsychological dysfunction in twins discordant for schizophrenia. Am J Hum Genet 2000;67:369-382 (electronically published July 3, 2000)

217. Heinonen-Gusejev M, Vuorinen HS, Kaprio J, Heikkilä K, Romanov K, Koskenvuo M. Self_report of transportation noise exposure, annoyance and noise sensitivity in relation to noise map information. Journal of Sound and Vibration, 2000; 234: 191-206

218. Rönnemaa T, Pulkki K, Kaprio J. Serum soluble tumor necrosis factor-" receptor is elevated in obesity but not related to insulin sensitivity. A study in identical twins discordant for obesity. Journal of Clinical Endocrinology & Metabolism 2000; 85: 2728-2732

219. Paul Lichtenstein, Niels Holm, Pia K Verkasalo, Anastasia Illiadou, Jaakko Kaprio, Markku Koskenvuo, Eero Pukkala, Axel Skytthe, Kari Hemminki. Environmental and Heritable Factors in the Causation of Cancer: Analyses of Cohorts of Twins from Sweden, Denmark, and Finland. New Engl J Med 2000; 343:78-85.

220. Öhman M, Oksanen L, Kaprio J, Koskenvuo M, Mustajoki P, Rissanen A, Salmi J, Kontula K, Peltonen L. Genome-wide scan of obesity in Finnish sibpairs reveals linkage to chromosome Xq24. J Clin Endocrinol Metab. 2000;85:3183-90.

221. Perola M, Kainulainen K, Pajukanta P, Terwilliger J, Hiekkalinna T, Ellonen P, Kaprio J, Koskenvuo M, Peltonen L, Kontula K. Genome-wide scan of predisposing loci for increased diastolic blood pressure in Finnish siblings. J Hypertension 2000;18:1579-85.

222. Koivumaa-Honkanen HT, Honkanen R, Viinamäki H, Heikkilä, K, Kaprio J, Koskenvuo M. Self-reported Life satisfaction and 20-year mortality in healthy Finnish adults. Am J Epidemiol 2000; 152:983-91

223. Kieseppä T, Lönnqvist J, Kaprio J. Accuracy of register- and record-based bipolar I disorder diagnoses in Finland- a study of twins. Acta neuropsychiatrica 2000; 12:106-109

224. Andreas Busjahn, Hans Knoblauch, Hans-Dieter Faulhaber, Atakan Aydin, Regina Uhlmann, Jaakko Tuomilehto, Jaakko Kaprio, Piotr Jedrusik, Andrzej Januszewicz, Jan Strelau, Herbert Schuster, Friedrich C. Luft, and Bertram Müller-Myhsok. A region on chromosome 3 is linked to dizygotic twinning. Nature Genetics 2000; 26:398-399.

225. Luoto R, Kaprio J, Rutanen E-M, Taipale P, Perola M Koskenvuo M. Heritability and risk factors of uterine fibroids - The Finnish Twin Cohort Study. Maturitas. 2000; 37:15-26.

226. Videman T, M.C. Battié, L.D. Gibbons, J. Kaprio, M. Koskenvuo, P. Kannus, R. Raininko, H. Manninen. Disc degeneration and bone density in monozygotic twins discordant for insulin-dependent diabetes mellitus. J Orthop Res 2000 ;18:768-72.

240. Silventoinen K, Kaprio J, Lahelma E. Genetic and environmental contributions to the association between body height and educational attainment: A study of adult Finnish twins. Behavior Genetics 2000;30:477-485.

1999

180. Pietiläinen K, Kaprio J, Rissanen A, Winter T, Rimpelä A, Viken RJ, Rose RJ. Distribution and heritability of BMI in Finnish adolescents aged 16 y and 17 y: A study of 4884 twins and 2509 singletons. International Journal of Obesity. 1999;23:107-115

181. Rose RJ, Kaprio J, Winter T, Koskenvuo M and Viken RJ. Familial and Socio-Regional Environmental Effects on Abstinence from Alcohol at Age 16. Journal of Studies on Alcohol 1999, suppl. 13: 63-74.

182. Kallela M, Wessman M, Farkkila M, Palotie A, Koskenvuo M, Honkasalo ML, Kaprio J. Clinical characteristics of migraine in a population-based twin sample: similarities and differences between migraine with and without aura. Cephalalgia 1999;19(3):151-8.

183. Öhman M, Oksanen L, Kainulainen K, Jänne O, Kaprio J, Koskenvuo M, Mustajoki P, Kontula K, Peltonen L. Testing of human homologues of murine obesity genes as candidate regions in Finnish obese sibpairs. Eur J Hum Genet 1999; 7: 117-124.

184. Torsten Winter: Measuring social alienation with the Harris-Lingoes scale. Finnish Journal of Social Medicine 1998; 35: 267-278

185. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Limits of self-report in assessing sleep terrors in a population survey. Sleep 1999 1;22:89-93

186. Kainulainen K, Perola M, Terwilliger J, Kaprio J, Koskenvuo M, Syvänen A-C, Vartiainen E, Peltonen L, Kontula K. A multigenic study on genetic variation of the renin-angiotensin-system in essential hypertension: evidence for linkage of the angiotensin receptor type 1 gene locus to diastolic blood pressure. Hypertension 1999;33:844-849

187. Huovinen E, Kaprio J, Laitinen L, Koskenvuo M. Incidence and Prevalence of Asthma Among Adult Finnish Men and Women of the Finnish Twin Cohort From 1975 to 1990, and Their Relation to Hay Fever and Chronic Bronchitis. Chest 1999; 115:928-936

188. Verkasalo PK, Kaprio J, Pukkala E, Koskenvuo M. Breast Cancer Risk in Monozygotic and Dizygotic Twins: A Population-based Cohort Study in Finland in 1976-95. Cancer Epidemiology, Biomarkers and Prevention 1999; 8: 271-274.

189. Torsten Winter, Jaakko Kaprio, Richard J.Viken, Sakari Karvonen, Richard J. Rose. Individual differences in adolescent religiosity in Finland: Familial effects are modified by sex and region of residence. Twin Research 1999;2:108-114

190. Hublin C, Kaprio J, Partinen M, Heikkilä K, Koskenvuo M. Nightmares: familial aggregation and association with psychiatric disorders in a nationwide twin cohort. Am J Med Genet - Neuropsychiatric Genetics 1999;88:329-36.

191. Hakala P, Rissanen A, Koskenvuo M, Kaprio J, Rönnemaa T. Environmental factors in the development of obesity in identical twins. Int J Obes 1999;23:746-753

192. Kallela M, Wessman M, Farkkila M, Palotie A, Koskenvuo M, Honkasalo ML, Kaprio J. Clinical characteristics of migraine in a population-based twin sample: similarities and differences between migraine with and without aura. Cephalalgia 1999;19(3):151-8

193. Kujala UM, Kaprio J, Leppävuori J, Peltonen L, Koskenvuo M. Joint-specific twin and familial aggregation of recalled physician diagnosed osteoarthritis. Twin Research 1999;2:196-202

194. Kallela M, Wessman M, Färkkilä M, Palotie A, Koskenvuo M, Honksalo M-L, Kaprio J. Clinical characteristics of migraine concordant monozygotic twin pairs. Acta Neurol Scand 1999 Oct;100(4):254_9

195. Korkeila M, Rissanen A, Kaprio J, Sörensen TIA, Koskenvuo M. Attempts to lose weight predict long-term major weight gain in adult Finns. Am J Clin Nutr 1999;70:965_975.

196. Kujala UM, Kaprio J, Koskenvuo M, Sarna S. Hospital care in twins discordant for sedentariness. Am J Publ Health 1999;89: 1869-72

197. Verkasalo PK, Kaprio J, Pukkala E, Koskenvuo M. Genetic predisposition, environmental effects and cancer incidence: A nationwide twin study in Finland, 1976-1995. Int J Cancer 1999;83:743-9.

198. Kannus P, Palvanen M, Kaprio J, Parkkari J, Koskenvuo M. Genetic factors and osteoporotic fractures in elderly people: prospective 25 year follow up of a nationwide cohort of elderly Finnish twins. BMJ 1999;319 1334-1337.

199. Pulkkinen L, Kaprio J, Rose RJ. Peers, Teachers, and Parents as Raters of Twins' Behavioral and Emotional Problems, and adjustment: The multidimensional peer nomination inventory. Twin Research 1999;2:274-285.

213. Madden PAF, Heath AC Bucholz KK, Pedersen N, Kaprio J, Koskenvuo M, Martin NG. The genetics of smoking persistence in men and women - a multicultural study. Behavior Genetics 1999;29:423-31.

214. Richard J. Viken, Jaakko Kaprio, Markku Koskenvuo, Richard J. Rose. Longitudinal Analyses of the Determinants of Drinking and of Drinking to Intoxication in Adolescent Twins. Behavior Genetics 1999;29:455-61.

1998

160. Cannon TD, Kaprio J, Lönnqvist J, Huttunen M, Koskenvuo M. Genetic epidemiology of Schizophrenia and other Psychoses in the Finnish Twin Cohort: A population-modelling study. Archives of General Psychiatry 1998; 55:67-74.

161. v. Hertzen L, Surcel H-M, Kaprio J, Koskenvuo M, Bloigu A, Leinonen M, Saikku P. Effect of smoking on humoral and cell-mediated immune response to Chlamydiae Pneumoniae in twins. J Med Microbiol 1998;47:441-446

162. Kervinen K, Kaprio J, Koskenvuo M, Juntunen J, Kesäniemi YA. Serum lipids and apolipoprotein E phenotypes in identical twins reared apart. Clinical Genetics 1998; 53: 191-199

163. Kujala UM, Kaprio J, Sarna S, Koskenvuo M. Relationship of Leisure-Time Physical Activity and Mortality. The Finnish Twin Cohort. JAMA 1998;279:440-444.

164. Räihä I, Kemppainen H, Kaprio J, Koskenvuo M, Sourander L. Life-style, stress and genes in peptic ulcer disease - a nationwide twin cohort study. Arch Int Med 1998;158:698-704

165. Laitinen T, Räsänen M, Kaprio J, Koskenvuo M, Laitinen LA. Importance of genetic factors in adolescent asthma - a population-based twin family study. Am J Resp Crit Care Med 1998; 157:1073-1078

166. Simonen RL, Videman T, Battie MC, Gibbons LE. The effect of lifelong exercise on Psychomotor reaction time: a study of 38 pairs of male monozygotic twins. Med Sci Sports Exerc 1998;30:1445-1450.

167. Hublin C, Kaprio J, Partinen M, Heikkilä K, Koskenvuo M. Bruxism: prevalence and familial aggregation- a nationwide, population-based twin study. J Sleep Res 1998;7(1):61-68

168. Halme S, von Hertzen L, Bloigu A, Kaprio J, Koskenvuo M, Leinonen M, Saikku P, Surcel H-M. Chlamydia Pneumoniae-specific cell-mediated and humoral immunity in healthy people. Scand. J Immunology 1998;47(5): 517-521.

169. Simonen RL, Videman T, Battie MC, Gibbons LE. Determinants of Psychomotor Speed among 61 pairs of Adult Male Monozygotic Twins. J. Gerontol 1998;53A:M228-M234.

170. Gibbons L, Videman T, Battié MC, Kaprio J. Determinants of paraspinal muscle cross-sectional area. A study in monozygotic twins. Physical Therapy 1998;78:602-612

171. Hertzen L v, Kaprio J, Koskenvuo M, Isoaho R, Saikku P. Humoral immune response to Chlamydia pneumoniae in twins discordant for smoking. J Intern Med 1998; 244:227-234.

172. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Nocturnal enuresis in a nationwide twin cohort. Sleep 1998; 21:579-58.

173. Korkeila M, Kaprio J, Rissanen A, Koskenvuo, Sörensen TIA. Predictors for long-term major weight gain in adult Finns: Predictors of major weight gain in adult Finns: Stress, life satisfaction and personality traits. Int J Obes 1998;22:949-958.

174. Räsänen M, Laitinen T, Kaprio J, Koskenvuo M, Laitinen LA. Hay fever - a nationwide study of adolescent twins and their parents. Allergy 1998;53: 885-890.

175. Milán T, Kaprio J, Verkasalo PK, Jansén CT, Teppo L, Koskenvuo M. Hereditary factors in basal cell carcinoma of the skin: a population-based cohort study in twins. Br J Cancer 1998;78(11): 1516-1520

176. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Sleeptalking in twins: epidemiology and psychiatric comorbidity. Behavior Genetics 1998; 28:289-298.

177. Räihä I, Kaprio J, Koskenvuo M, Rajala T, Sourander L. Environmental differences in twin pairs discordant for Alzheimer's disease. Journal of Neurology, Neurosurgery and Psychiatry 1998; 65:785-87.

178. Videman T, Leppävuori J, Kaprio J, Battié MC, Gibbons L, Peltonen L, Koskenvuo M. Intragenic polymorphisms of the Vitamin D receptor gene associated with intervertebral disc degeneration. 1998 Volvo Award Winner in basic science studies. Spine 1998;23:2477-2485

179. Iachine IA, Holm NV, Harris JR, Begun AS, Iachina MK, Laitinen M, Kaprio J, Yashin AI: How heritable is individual susceptibility to death? The results of an analysis of survival data on Danish, Swedish and Finnish twins. Twin Research 1998;1: 196-205

1997

142. Kosunen E, Rimpelä A, Kaprio J, Berg M. Oral contraception and smoking: time trends for a risk behaviour in Finland. European Journal of Public Health 1997;7:29-33.

143. Allison DB, Kaprio J, Korkeila M, Koskenvuo M, Neale MC, Hayakawa K. The heritability of body mass index among an international sample of monozygotic twins reared apart. Int J Obesity 1996;20:501-506

144. Kujala UM, Ahotupa M, Vasankari T, Kaprio J, Tikkanen M. Familial aggregation of LDL oxidation. Scand J Clin Lab Invest 1997; 57: 141-146

145. Huovinen E, Kaprio J, Vesterinen E, Koskenvuo M. Mortality of adults with asthma - a prospective cohort study. Thorax 1997;52:49-54.

146. Hublin C, Kaprio J, Partinen M, Heikkilä K, Koskenvuo M. Prevalence and genetics of sleepwalking- a population-based twin study. Neurology 1997;48:177-181.

147. Borg JG. Are differences between twins a result of mutual rivalry. Acta genet med gemellol 1997;46:23-26.

148. T. Rönnemaa, S.-L. Karonen, A. Rissanen, M. Koskenvuo and V.A. Koivisto. Relation between Plasma Leptin Levels and Measures of Body Fat in Identical Twins Discordant for Obesity. Ann Intern Med 1997;126:26-31.

149. Räsänen M, Laitinen T, Kaprio J, Koskenvuo M, Laitinen LA. Hay fever, asthma and number of older siblings - a twin study. Clin Exp Allergy 1997;27:515-518

150. Rönnemaa T, Koskenvuo M, Marniemi J, Koivunen T, Sajantila A, Rissanen A, Kaitsaari M, Bouchard C, Kaprio J. Glucose metabolism in identical twins discordant for obesity: the critical role of visceral fat. J Clin Endocrinol Metabolism 1997; 82:383-387.

151. Oksanen L, Öhman M, Heiman M, Kainulainen K, Kaprio J, Mustajoki P, Koivisto V, Koskenvuo M, Jänne O, Peltonen L, Kontula K. OB gene markers and serum leptin levels in human morbid obesity. Human Genetics 1997; 99:559-564.

152. Heitmann BL, Kaprio J, Harris JR, Rissanen A, Korkeila M, Koskenvuo M. Are genetic determinants of weight gain modified by leisure time physical activity? A propective study of Finnish twins. American Journal of Clinical Nutrition 1997;66:672-678.

153. Aarnio M, Winter T, Kujala U, Kaprio J. Familial aggregation of leisure-time physical activity - a three generation study. Int J Sports Medicine 1997; 18: 549-556.

154. Verkasalo P, Kaprio J, Varjonen J, Romanov K, Heikkilä K, Koskenvuo M. Magnetic fields of transmission power lines and depression. Am J Epidemiol 1997;146:1037-45

155. Aarnio M, Kujala U, Kaprio J. Associations of Health-related behaviors, social relationships and health status to physical activity patterns in 16 year old boys and girls. Scand Journal of Soc Med 1997; 25:156-167.

156. Varjonen J, Romanov K, Kaprio J, Koskenvuo M. Self-rated depression in middle-aged adults. Nordic J Psychiatry 1997;51:331-338.

157. Tapio Videman, Michele C. Battié, Laura E. Gibbons, Hannu Manninen, Kevin Gill, Lloyd D. Fisher and Markku Koskenvuo. Lifetime exercise and Disk Degeneration: an MRI study of monozygotic twins. Medicine and Science in Sports and Exercise 1997;29 :1350-1356

158. Simonen RL, Videman T, Battie MC, Gibbons LE. Differences in Hand and Foot Psychomotor Speed among 18 pairs of Monozygotic Twins Discordant for Lifelong Vehicular Driving. International Archives of Occupational & Environmental Health 1997;70:277-281

159. de Vries N, Tijssen H, Järvinen P, Aho K, van de Putte LB. HLA-DRB1 in eight Finnish monozygotic twin pairs concordant for rheumatoid arthritis.Tissue Antigens. 49(3 Pt 1):277-9, 1997.

1996

135. Räihä I, Kaprio J, Koskenvuo M, Rajala T, Sourander L. Alzheimer's disease in twins. Lancet 1996; 347: 573-8.

136. Kaprio J, Hublin C, Partinen M, Heikkilä K, Koskenvuo M. Narcolepsy-like symptoms among adult twins. J. Sleep Res. 1996;5:55-60.

137. Kirsi Appelberg, Kalle Romanov, Kauko Heikkilä, Marja Liisa Honkasalo, Markku Koskevuo: Interpersonal Conflicts as a Predictor of Work Disability. A Follow up Study of 15,348 Finnish Employees. J Psychosom Research 1996; 40: 157-167.

138. Hublin C, Kaprio J, Partinen M, Heikkilä K, Koskenvuo M. Daytime sleepiness in an adult Finnish population. J. Intern. Med. 1996; 239:417-423.

139. Kronholm E, Aunola S, Hyyppä MT, Kaitsaari M, Mattlar C E, Rönnemaa T: Sleep in monozygotic twin pairs discordant for obesity. J Appl Physiol 1996;80 :14-9

140. Kalle Romanov, Kirsi Appelberg, Marja Liisa Honkasalo, Markku Koskenvuo: Recent Interpersonal Conflicts at Work and Psychiatric Morbidity: A Prospective Study of 15530 Employees Aged 24-64. J Psychosom Research 1996; 40: 169-176.

141. Harrela M, Koistinen H, Kaprio J, Lehtovirta M, Tuomilehto J, Eriksson J, Groop L, Koskenvuo M, Leinonen P, Koistinen E, Seppälä M. Genetic and environmental components of interindividual variation in circulating levels of IGF-I, IGF-II, IGFBP-1 and IGFBP-3. J Clin Invest. 1996; 98: 2612-2615

1995

128. Michele C. Battié, Tapio Videman, Laura E. Gibbons, Loyd D. Fisher, Hannu Manninen, Kevin Gill. Determinants of Lumbar Disc Degeneration. Spine 20: 2601-2612, 1995.

129. Honkasalo, M-L, Kaprio J, Winter T, Heikkilä K, Sillanpää M, Koskenvuo M. Migraine and concomitant symptoms among 8187 adult twin pairs. Headache 1995; 35;70-78.

130. Pentti Järvinen: Occurrence of ankylosing spondytlitis in a nationwide series of twins. Arthritis Rheum 38: 381-383, 1995.

131. Kaprio J, Boomsma DI, Heikkilä K, Koskenvuo M, Romanov K, Rose RJ, Viken RJ, Winter T. Genetic variation in behavioral risk factors to risk for atherosclerosis: a twin family study of smoking and cynical hostility. In Athersosclerosis X (Proceedings of the Xth International Symposium on Atherosclerosis, Montreal 1994) Eds. Woodford FP, Davignon J, Sniderman A. Excerpta Medica International Congress Series #1066. 1995: 634-637.

132. Kaprio J, Rimpelä A, Viken RJ, Winter T, Rimpelä M, Rose RJ. Common genetics influences on BMI and age at menarche. Human Biology 1995; 67: 739-753.

133. Korkeila M, Kaprio J, Rissanen A, Koskenvuo M. Consistency and change of body mass index and weight. A study on 5967 Finnish twin pairs. International Journal of Obesity 1995; 19: 310-317.

134. Terho EO, Koskenvuo M, Kaprio J. Atopy: a predisposing factor for chronic bronchitis in Finland. J Epidemiol Comm Health 1995; 49: 296-298.

1994

121. Hublin C, Kaprio J, Partinen M, Koskenvuo M, Heikkilä K. Validation of a method to measure symptoms in narcolepsy. Journal of Sleep Research 1994;3:52-59.

122. Hublin C, Kaprio J, Partinen M, Koskenvuo M, Heikkilä K, Koskimies S, Guilleminault C. The prevalence of narcolepsy: An epidemiologic study of the Finnish Twin Cohort. Annals of Neurology 1994;35:709-16.

123. Koskenvuo M, Partinen M, Kaprio J, Vuorinen H, Telakivi T, Kajaste S, Salmi T, Heikkila K. Snoring and cardiovascular risk factors and snoring. Annals of Medicine 1994;26:371-376.

124. Romanov K, Hatakka M, Keskinen E, Laaksonen H, Kaprio J, Rose RJ, Koskenvuo M. Self-reported hostility and suidical acts, accidents and accidental deaths: a prospective study of 21443 adults aged 25-59. Psychosomatic Medicine 1994;56:328-336.

125. Gunilla Sand, Carola Ekrem: Tvillingar (Kaksosista), Att vara tvilling och synen på tvillingar. IF rapport nr 16, Åbo Akademi, Folkloristik. Åbo Akademis tryckeri, 1994, Turku.

126. SJ Piha, T Rönnemaa, M Koskenvuo: Autonomic nervous system function in identical twins discordant for obesity. Int J Obesity 18: 547-550, 1994

127. Viken R, Rose RJ, Kaprio J, Koskenvuo M. A developmental-genetic analysis of adult personality: Extraversion and neuroticism from 18 to 59. Journal of Personality and Social Psychology 1994;66:722-30.

1993

115. Kirsi Appelberg. Alcohol consumption and smoking: associations with interpersonal conflicts at work and with spouse among 13,869 Finnish employees. Addiction Research 1: 257 267, 1993.

116. Kirsi Appelberg, Kalle Romanov, Marja Liisa Honkasalo, Markku Koskenvuo: The Use of Tranquilizers, Hypnotics and Analgesics among 18,592 Finnish Adults: Associations with Recent Interpersonal Conflicts at Work or with a Spouse. J Clin Epidemiol 46: 1315 1322, 1993.

117. Honkasalo M-L, Kaprio J, Heikkilä K, Sillanpää M, Koskenvuo M. A population-based survey of headache and migraine in 22,809 adults. Headache 1993;33:403-412.

118. Pentti Järvinen. Occurrence of ankylosing spondylitis (AS) in a nationwide series of twins. Scand J Rheumatol 22: 148, 1993.

119. E Kinnunen, P Järvinen, L Ketonen, R Sepponen. Co-twin control study on cerebral manifestations of systemic lupus erythematosus. Acta Neurol Scand 88: 422 426, 1993.

120. Alho M. Liikuntatottumusten pysyvyys työikäisessä väestössä. Syventävien opintojen raportti. Helsingin yliopiston kansanterveystieteen laitos 1993 (ohjaaja Seppo Sarna).

1992

109. M Anttipoika, H Nordman, M Koskenvuo, J Kaprio, M Jalava: Role of Occupational Exposure to Airway Irritants in the Development of Asthma. International Archives of Occupational and Environmental Health 64: 195-200, 1992.

110. Järvinen P, Kaprio J, Mäkitalo R, Koskenvuo M, Aho K: Systemic Lupus Erythematosus and Related Systemic Diseases in a Nationwide Twin Cohort - An Increased Prevalence of Disease in MZ Twins and Concordance of Disease Features. Journal of Internal Medicine 231: 67-72, 1992.

111. J Kaprio, J Tuomilehto, M Koskenvuo, K Romanov, A Reunanen, J Eriksson, J Stengård, YA Kesäniemi: Concordance for Type 1 (insulin- dependent) and Type 2 (non-insulin-dependent) diabetes mellitus in a population-based cohort of twins in Finland. Diabetologia 35: 1060-1067, 1992

112. Kaprio J, Viken R, Koskenvuo M, Romanov K, Rose RJ: Consistency and Change in Patterns of Social Drinking - A 6-year Follow-Up of the Finnish Twin Cohort. Alcoholism - Clinical and Experimental research 16: 234-240, 1992.

113. Teikari Jaakko M, Kaprio Jaakko, Koskenvuo Markku, O`Donnell James: Heritability of defects of far vision in young adults - a twin study. Scand J Soc Med 20: 73-78, 1992

114. Heikki S. Vuorinen, Jaakko Kaprio, Markku Koskenvuo, Markku Partinen, Kalle Romanov, Kauko Heikkilä. Verenpaine ja melu. Selvitys 118, 1992. Ympäristöministeriö, Helsinki 1992.

1991

97. Kirsi Appelberg, Kalle Romanov, Maisa Honkasalo, Markku Koskenvuo: Interpersonal conflicts at work and psychosocial characteristics of employees. Soc Sci & Med 32: 1051-1056, 1991.

98. Markku Nieminen, Jaakko Kaprio, Markku Koskenvuo: A Population- Based Study of Bronchial Asthma in Adult Twin Pairs. Chest 100: 70- 75, 1991.

99. Helena Hänninen, Mari Antti-Poika, Juhani Juntunen, Markku Koskenvuo: Exposure to organic solvents and neuropsychological dysfunction: a study on monozygotic twins. Br J Ind Med 48: 18-25, 1991

100. Michele C. Battié, Kevin Gill, Giovanni B. Moneta, Rickard Nyman, Jaakko Kaprio, Markku Koskenvuo, Tapio Videman: Smoking and Lumbar Intervertebral Disc Degeneration: An MRI Study of Identical Twins, Spine 16: 1015-1021, 1991.

101. Markku Partinen, Jaakko Kaprio, Markku Koskenvuo, Tiina Telakivi, Tuula Seppälä, Ritva Partinen, Harri Sintonen: Epidemiology of sleep disordered breathing in Finland. In: Kuna S. et al. (eds.). Sleep and Respiration in Aging Adults. Elsevier Science Publishing Co, New York 1991, pp 129-135.

102. Sillanpää M, Koskenvuo M, Romanov K, Kaprio J. Genetic factors in epileptic seizures: Evidence from a large twin population. Acta Neurol Scand 84: 523-526, 1991.

103. JM Teikari, J O'Donnell, J Kaprio, M Koskenvuo: Impact of Heredity in Myopia. Hum Hered 41: 151-156, 1991.

104. M Korkeila, J Kaprio, A Rissanen, M Koskenvuo. Effects of gender and age on the heritability of body mass index. Int J Obesity 15: 647-654, 1991

105. B Hanson, M McGue, B Roitman-Johnson, NL Segal, TJ Bouchard, MN Blumenthal. Atopic Disease and Immunoglobulin E in Twins Reared Apart and Together. Am J Hum Genet 48: 873-879, 1991. Note: data on Finnish twins used in comparison analysis

106. Järvinen P, Koskenvuo M, Koskimies S, Kotaniemi K, Aho K: Rheumatoid Arthritis in Identical Twins: A Clinical and Immunogenetic Study of Eight Concordant Pairs Derived from a Nationwide Twin Panel. Scand J Rheumatol 20: 159-164, 1991

107. Kaprio J, Rose RJ, Romanov K, Koskenvuo M: Genetic and Environmental Determinants of Use and Abuse of Alcohol: The Finnish Twin Cohort Studies. Alcohol & Alcoholism, Suppl. 1. pp. 131-136, 1991.

108. Romanov K, Koskenvuo M, Kaprio J: Aggressiivisuuden osatekijät: suuttumuksen kokeminen, ilmaiseminen ja kontrollointi. Sosiaalilääketieteellinen Aikakauslehti 28: 308-313, 1991.

1990

90. Pentti Järvinen, Kimmo Aho: Fibromyalgia in a pair of identical twins. Clin Exp Rheumatol 8: 615 616, 1990.

91. Jaakko Kaprio, Markku Koskenvuo. Cigarette Smoking As a Cause of Lung Cancer and Coronary Heart Disease. A Study of Smoking- Discordant Twin Pairs. Acta Genet Med Gemellol 39: 25-34, 1990.

92. Jaakko Kaprio, Markku Koskenvuo, Richard J. Rose. Change in Cohabitation and Intrapair Similarity of Monozygotic (MZ) Cotwins for Alcohol Use, Extraversion, and Neuroticism. Behavior Genetics 20: 265-276, 1990.

93. Esko Kinnunen, J Juntunen, Y Konttinen, P Kemppinen, L Ketonen, M Kleemola, M Valle, S Koskimies, M Koskenvuo. MS and SLE in twins of successive generations. Acta Neurol Scand 81: 246-249, 1990

94. Esko Kinnunen, Martti Valle, Liisa Piirainen, Marjaana Kleemola, Marja-Leena Kantanen, Juhani Juntunen, Matti Klockars, Markku Koskenvuo: Viral Antibodies in Multiple Sclerosis, A Nationwide Co-twin Study. Arch Neurol 47: 743-746, 1990.

95. Yrjö T. Konttinen, Esko Kinnunen, Pertti Kemppainen, Juhani Juntunen, Markku Koskenvuo. Lymphocyte activation in discordant multiple sclerosis twin pairs. Journal of Neuroimmunology 27: 1-8, 1990.

96. Kalle Romanov, Markku Koskenvuo, Jaakko Kaprio, Kauko Heikkilä, Seppo Sarna. Selection bias in twin studies. Acta Genet Med Gemellol 39: 441-446, 1990.

1989

81. Arto Haapanen, Markku Koskenvuo, Jaakko Kaprio, Y. Antero Kesäniemi, Kauko Heikkilä. Carotid arteriosclerosis in identical twins discordant for cigarette smoking. Circulation 80: 10-16, 1989.

82. Heikki Korpela, Esko Kinnunen, Juhani Juntunen, Jorma Kumpulainen, Markku Koskenvuo. Serum selenium concentration, glutathione peroxidase activity and lipid peroxides in a co-twin control study on multiple sclerosis. Journal of the Neurological Sciences 91: 79-84, 1989.

83. Riitta Lassila. The platelet alpha2- adrenoceptor and prostacyclin sensitivity are not altered by cigarette smoking - a study of monozygotic twin pairs discordant for smoking. Thromb Res 1989.

84. Jaakko Kaprio, Markku Koskenvuo. Twins, smoking and mortality: A twelwe-year prospective study of smoking discordant adult pairs. Soc Sci Med 29: 1083-1089, 1989.

85. Y. Antero Kesäniemi, Markku Koskenvuo, Matti Vuoristo, Tatu A Miettinen: Biliary lipid composition in monozygotic and dizygotic pairs of twins. Gut 30: 1750-1756, 1989.

86. Jorma Heikkilä, Markku Koskenvuo, Markku Heliövaara, Kari Kurppa, Hilkka Riihimäki, Kauko Heikkilä, Tapio Videman. Genetic and Environmental factors in Sciatica: Evidence from a Nationwide Panel of 9365 Adult Twin Pairs. Annals of Medicine 21: 393-398, 1989.

87. Jaakko Teikari, James J. O'Donnell, Jaakko Kaprio, Markku Koskenvuo. Genetic and Environmental Effects on Oculometric Traits. Optometry & Vision Science 66: 594-599, 1989.

88. Riitta Lassila: The Thrombogenic and Vasoactive Effects of Cigarette Smoking with Special Reference to Periferal Arterial Disease. Wihuri Research Institute, First Department of Internal Medicine and Fourth Department of Surgery, University of Helsinki, Helsinki 1989. (Thesis)

89. Juntunen J, Kinnunen E, Antti-Poika M, Koskenvuo M: Multiple sclerosis and occupational exposure to chemicals: a co-twin control study of a nationwide series of twins. Br J Ind Med 46: 417-419, 1989.

1988

66. Jaakko Kaprio, Markku Koskenvuo. A prospective study of psychosocial and socio-economic characteristics, health behavior and morbidity in cigarette smokers prior to quitting compared to persistent smokers and non-smokers. J Clin Epidemiol 41: 139-150, 1988.

67. Richard J. Rose, Markku Koskenvuo, Jaakko Kaprio, Seppo Sarna, Heimo Langinvainio. Shared genes, shared experience, and similarity of personality. Data from 14288 adult Finnish cotwins. Journal of Personal and Social Psychology 54: 161-171, 1988.

68. Markku Koskenvuo, Jaakko Kaprio, Richard J. Rose, Y. Antero Kesäniemi, Seppo Sarna, Kauko Heikkilä, Heimo Langinvainio. Hostility as a risk factor for mortality and ischemic heart disease in men. Psychosom Med 50: 330-340, 1988.

69. Reijo J. Marttila, Jaakko Kaprio, Markku Koskenvuo, Urpo K. Rinne. Parkinson's Disease in a nationwide twin cohort. Neurology 38: 1217-1219 1988.

70. Erkki Vesterinen, Jaakko Kaprio, Markku Koskenvuo. Prospective study of asthma in relation to smoking habits among 14 729 adults. Thorax 43: 534-539, 1988.

71. Jaakko Teikari, Jaakko Kaprio, Markku Koskenvuo, Antti Vannas. Heritability estimate for refractive errors - a population-based sample of adult twins. Genetic Epidemiology 5: 171-181, 1988.

72. Esko Kinnunen, Juhani Juntunen, Leena Ketonen, Saija Koskimies, Yrjö T. Konttinen, Tapani Salmi, Markku Koskenvuo, Jaakko Kaprio. Genetic susceptibility to multiple sclerosis, A co-twin study of a nationwide series. Arch Neurol 45: 1108-1111, 1988.

73. R Lassila, H W Seyberth, A Haapanen, H Schweer, M Koskenvuo, K E Laustiola. Vasoactive and atherogenic effects of cigarette smoking: a study of monozygotic twins discordant for smoking. Br Med J 297: 955-957, 1988.

74. Kai E Laustiola, Riitta Lassila, Jaakko Kaprio, Markku Koskenvuo. Decreased beta-adrenergic receptor density and catecholamine response in male cigarette smokers: A study of monozygotic twin pairs discordant for smoking. Circulation 78: 1234- 1240, 1988

75. Tiina Telakivi, Soile Kajaste, Markku Partinen, Markku Koskenvuo, Tapani Salmi, Jaakko Kaprio. Cognitive Function in Middle-aged Snorers and Controls: Role of Excessive Daytime Somnolence and Sleep-Related Hypoxic Events. Sleep 11: 454-462, 1988.

76. Riitta Lassila, Kai Laustiola. Physical exercise provokes platelet desensitization - involvement of sympathoadrenergic mechanism - a study of monozygotic twin pairs discordant for smoking. Thromb Res 51: 145-155, 1988.

77. Kai Laustiola, Riitta Lassila, Anna-Kaisa Nurmi. Enhanced activation of the renin-angiotensin-aldosterone system in chrobic cigarette smokers - a study of monozygotic twin pairs discordant for smoking. Clin Pharmacol Ther 44: 426-430, 1988.

78. Jaakko Teikari: Genetic and Epidemiologic Studies of Open Angle (Simple and Capsular) and Angle Closure Glaucoma. University of Helsinki, Helsinki 1988. (Thesis)

79. Kalle Romanov: Äidin alkoholinkäytön haitat sikiölle ja vastasyntyneelle. Kansanterveystieteen laitos, Helsingin yliopisto, Helsinki 1988. (Thesis)

80. Richard J. Rose and Jaakko Kaprio: Frequency of Social Contact and Intrapair Resemblance of Adult Monozygotic Cotwins - Or Does Shared Experince Influence Personality After All? Behavior Genetics 18: 309-328, 1988.

1987

51. Koskenvuo M, Kaprio J, Telakivi T, Partinen M, Heikkilä K, Sarna S. Snoring as a risk factors for ischaemic heart disease and stroke in men. Br Med J 294: 16-19, 1987.

52. Kaprio J, Koskenvuo M, Langinvainio H, Romanov K, Sarna S, Rose RJ. Social and genetic influences on drinking patterns of adult men. A study of 5638 adult Finnish twin brothers. In: Advances in Biomedical Alcohol Research (KO Lindros, R Ylikahri, K Kiianmaa, eds). Alcohol and Alcoholism suppl 1: 373-377, 1987.

53. Romanov K, Rose RJ, Kaprio J, Koskenvuo M, Langinvainio H, Sarna S. Self-reported alcohol use: a longitudinal study of 12954 adults. In: Advances in Biomedical Alcohol Research (KO Lindros, R Ylikahri, K Kiianmaa, eds). Alcohol and Alcoholism suppl 1: 619-623, 1987.

54. Rose RJ, Kaprio J. Shared experience and Similarity of Personality - Positive data from Finnish and American Twins. Commentary (p.35) on 'Plomin R, Daniels D. Why are children in the same family so different from one another?' Behavioral and Brain Sciences 10:1-59, 1987. (text, commentaries and rebuttal)

55. Kaprio J, Alanko A, Kivisaari L, Standertskjöld-Nordenstam. Mammographic patterns in twin pairs discordant for breast cancer. Br J Radiol 60:459-462, 1987.

56. Kaprio J, Koskenvuo M, Langinvainio H, Rita H, Sarna S. Psychosocial factors and morbidity: Hospitalisation and mortality in the Finnish Twin Cohort. Basic tabulations of a six-year follow-up of 31116 Finnish adults. Kansanterveystieteen julkaisuja M:99/87. Helsinki: University of Helsinki Press 1987.

57. Tiina Telakivi, Markku Partinen, Markku Koskenvuo, Tapani Salmi, Jaakko Kaprio. Periodic breathing and hypoxia in snorers and controls: validation of snoring history and association with blood pressure and obesity. Acta Neurol Scand 76: 69-75, 1987.

58. Timo Kuusi, Antero Kesäniemi, Matti Vuoristo, Tatu Miettinen, Markku Koskenvuo. Inheritance of high density lipoprotein lipase and hepatic lipase activity. Arteriosclerosis 7: 421-425, 1987.

59. Jaakko Kaprio, Markku Koskenvuo, Heimo Langinvainio, Kalle Romanov, Seppo Sarna, Richard J. Rose. Genetic influences on use and abuse of alcohol: a study of 5638 adult Finnish twin brothers. Alcoholism: Clinical and Experimental Research 11: 349-356, 1987.

60. Jaakko Teikari, Pekka Airaksinen, Jaakko Kaprio, Markku Koskenvuo. Primary open-angle glaucoma in 2 monozygotic twin pairs. Acta Ophthalmologica 65: 607-611, 1987.

61. Esko Kinnunen, Markku Koskenvuo, Jaakko Kaprio, Kimmo Aho. Multiple sclerosis in a nation-wide series of twins. Neurology 37: 1627-1629, 1987.

62. Jaakko Kaprio, Richard J. Rose, Seppo Sarna, Heimo Langinvainio, Markku Koskenvuo, Heli Rita, Kauko Heikkilä. Design and sampling considerations, response rates, and representativeness in a Finnish twin family study. Acta Genet Med Gemellol 36: 79-93, 1987.

63. Teikari JM. Myopia and stature. Acta Ophthalmologica 1987;65(6):673-6.

64. Kai Husman, Markku Koskenvuo, Jaakko Kaprio, Erkki Terho, Ilkka Vohlonen. Role of environment in the development of chronic bronchitis. In: Terho E, Husman K, Vohlonen I, eds. Work-related Respiratory diseases among farmers. Publications of the Social Insurance Institution, Finland, ML:69, Helsinki 1987, pp.57-63.

65. Jaakko Teikari, Jaakko Kaprio, Markku Koskenvuo, Antti Vannas. Opthalmic diseases in twins. A nationwide record linkage study of hospital discharges and free medications for 16067 twin pairs. Acta Genet Med Gemellol 36: 523-534, 1987.

1986

49. Koskenvuo M, Kaprio J, Partinen M, Langinvainio H, Sarna S, Rita H, Heikkilä K. Poor sleep quality, emotional stress and morbidity. A six-year follow-up of 10778 persons aged 35-59 years. In (Achte K, Pakaslahti A, eds.) Proceedings of the Gyllenberg Symposium on Stress and Psychosomatics, Espoo, 1985. Psychiatrica Fennica Suppl. 1986:115-120.

50. Aho K, Koskenvuo M, Tuominen J, Kaprio J. Occurrence of rheumatoid arthritis in a nationwide series of twins. J Rheumatol 13:899-902, 1986.

1985

45. Markku Koskenvuo, Jaakko Kaprio, Markku Partinen, Heimo Langinvainio, Seppo Sarna, Kauko Heikkilä: Snoring as a risk factor for hypertension and angina pectoris. Lancet 1, 893-896, 1985.

46. Jaakko Teikari, Markku Koskenvuo, Jaakko Kaprio, Antti Vannas: Nature and Nurture in the Etiology of OAG- a twin study. In: Henkes H, Ahonen R, Karjalainen K, eds. Proceedings of the VIIth Congress of the European Society of Ophtalmology. Helsinki: Yliopistopaino, 76-7, 1985.

47. Jaakko Kaprio, Markku Koskenvuo, Lyly Teppo, Heimo Langinvainio, Eero Pukkala, Heli Rita, Seppo Sarna: Cancer in twins and families of twins. In: Mller Hj, Weber W, eds. Familial Cancer. 1st International. Research Conference on Familial Cancer. Basel: Karger 1985, pp 192-4.

48. Jaana Lindström: Lipoproteinien pitoisuudet ja kemiallinen kompositio identtisillä ja epäidenttisillä kaksosilla. (Lipoprotein levels and chemical composition in identical and fraternal twins). Syventävien opintojen tutkimusprojekti, Helsingin yliopiston II sisätautien klinikka. Helsinki 1985.

1984

35. Heimo Langinvainio, Markku Koskenvuo, Jaakko Kaprio, Pertti Sistonen. Finnish Twins reared apart II: Validation of zygosity, environmental dissimilarity, and weight and height. Acta Genet Med Gemell 33:251-258;1984.

36. Heimo Langinvainio, Jaakko Kaprio, Markku Koskenvuo, Jouko Lönnqvist. Finnish Twins reared apart III: Personality factors. Acta Genet Med Gemell 33:259-264,1984.

37. Jaakko Kaprio, Markku Koskenvuo, Heimo Langinvainio: Finnish Twins reared apart IV: Smoking and drinking habits. Acta Genet Med Gemell 33:425-433,1984.

38. Markku Koskenvuo, Heimo Langinvainio, Jaakko Kaprio, Jouko Lönnqvist, Pekka Tienari: Psychiatric hospitalisation in twins. Acta Genet Med Gemell 33:321-332, 1984

39. Markku Koskenvuo, Heimo Langinvainio, Jaakko Kaprio, Seppo Sarna: Health related psychosocial correlates of neuroticism. Acta Genet Med Gemell 33:307-320, 1984

40. Y. Antero Kesäniemi, Markku Koskenvuo, Tatu A. Miettinen: Responses of blood glucose and serum insulin to peroral glucose load in normoglycemic monozygotic and dizygotic twins. Acta Genet Med Gemell 33:467-474, 1984

41. Zdenek Hrubec, Birgitta Floderus-Myrhed, Ulf de Faire, Seppo Sarna: Familial factors in mortality of twins with control of epidemiological covariables. Acta Genet Med Gemell 33:403-412, 1984.

42. Jaakko Kaprio: The incidence of coronary heart disease in twin pairs discordant for cigarette smoking. A six-year follow-up of adult like-sexed male twin pairs. Kansanterveystieteen julkaisuja M84:1984. Helsinki, 1984. (Thesis).

43. Mervi Siren: Nivelreuma ja ravitsemus (Nutrition and rheumatoid arthritis): nivelreumapotilaiden ja eräiden muiden tuki- ja liikuntaelinsairaiden ruokatottumuksista suomalaisilla kaksosilla. Pro gradu-työ. Helsingin yliopiston ravitsemus-tieteen laitos. Helsinki 1984.

44. Timo Palosuo, Mea Andersson, Ritva Väänänen, Reijo Pyhälä, Markku Koskenvuo, Kimmo Aho: Serum acute-phase glycoproteins and immune complexes in relation to smoking and respiratory symptoms: an epidemiological study. Eur J Respir Dis 65: 210-215, 1984

1983

30. Jukka Mäkitie, Antti Vannas, Markku Koskenvuo: Corneal endothelial cells in mono- and dizygotic twins. Inv Ophtal Vis Science 24: 1029-1032, 1983.

31. Markku Partinen, Pekka Putkonen, Jaakko Kaprio, Markku Koskenvuo: Hereditary and environmental determination of human sleep length. Sleep 1982: 206-208, 1983

32. Markku Partinen, Jaakko Kaprio, Markku Koskenvuo, Heimo Langinvainio: Sleeping habits, sleep quality, and use of sleeping pills: A population study of 31140 adults in Finland. In Sleep/Wake Disorders: Natural History, Epidemiology, and Long-Term Evolution (eds C Guilleminault, E Lugaresi). pp 29-35. Raven Press New York, 1983.

33. Markku Koskenvuo, Jaakko Kaprio, Heimo Langinvainio, Matti Romo: Mortality in relation to coronary-prone behavior: A six year follow- up of the bortner scale in middle-aged Finnish men. Activ Nerv Sup 25: 107-109, 1983

34. Markku Partinen, Jaakko Kaprio, Markku Koskenvuo, Pekka Putkonen, Heimo Langinvainio: Genetic and environmental determination of human sleep. Sleep 6: 179-185, 1983

1982

25. Markku Partinen, Pekka Putkonen, Jaakko Kaprio, Markku Koskenvuo, Ilkka Hilakivi: Sleep disorders in relation to coronary heart disease. Acta Med Scand Suppl 660:69-83, 1982

26. Jaakko Kaprio, Seppo Sarna, Markku Koskenvuo: Multivariate logit analysis of concordance rates in twin studies. Acta Genet Med Gemellol 30: 267-274, 1982

27. Rune Cederlöf, Ilari Rantasalo, Birgitta Floderus-Myrhed, Niklas Hammar, Jaakko Kaprio, Markku Koskenvuo, Heimo Langinvainio, Seppo Sarna: A cross-national epidemiological resource: The Swedish and Finnish Cohort Studies on like-sexed twins. Int J Epid 11: 387- 390,1982

28. Jaakko Kaprio, Niklas Hammar, Markku Koskenvuo, Birgitta Floderus-Myrhed, Heimo Langinvainio, Seppo Sarna: Cigarette smoking and alcohol use in Finland and Sweden, A cross-national twin study. Int J Epid 11:378-386, 1982.

29. Kimmo Aho, Pertti Sistonen, Jorma Takala, Kai Sievers: Genetics of autoantibodies in relation to disease. An epidemiological study of two populations. Acta Med Scand 211:213-218, 1982.

1981

17. Markku Koskenvuo, Jaakko Kaprio, Heimo Langinvainio, Matti Romo, Seppo Sarna: Psychosocial and environmental correlates of coronary- prone behavior in Finland. J Chron Dis 34, 331-340,1981

18. Jaakko Kaprio, Markku Koskenvuo, Seppo Sarna ja Ilari Rantasalo: The Finnish Twin Registry: A preliminary report. In Longitudinal Studies in Europe with Direct or Indirect Implications for Mental Health. (Ed. S. Mednick). Oxford University Press, Oxford, 1981.

19. Heimo Langinvainio, Markku Koskenvuo, Jaakko Kaprio, Jouko Lönnqvist, Lauri Tarkkonen: Finnish Twins Reared Apart: Preliminary characterization of rearing environment. Prog Clin Biol Res 69B, 189-198, 1981.

20. Jaakko Kaprio, Markku Koskenvuo, Seppo Sarna: Cigarette smoking, use of alcohol and leisuretime physical activity among like-sexed adult male twins. Prog Clin Biol Res 69C:37-46, 1981.

21. Jaakko Kaprio, Lyly Teppo, Markku Koskenvuo, Eero Pukkala: Cancer in adult like-sexed twins: A historical cohort study. Prog Clin Biol Res 69C:217-233, 1981.

22. Heimo Langinvainio, Jaakko Kaprio, Markku Koskenvuo, Lauri Tarkkonen: Structural analysis of smoking, alcohol use and personality factors in MZ and DZ twin pair relationships. Prog Clin Biol Res 69C:23-35, 1981.

23. Markku Koskenvuo, Jaakko Kaprio, Heimo Langinvainio, Matti Romo, Seppo Sarna: Coronary-prone behavior in adult like-sexed twins: an epidemiological study. Prog Clin Biol Res 69C:139-148, 1981.

24. Lauri Tarkkonen, Markku Koskenvuo, Jaakko Kaprio, Heimo Langinvainio, Birgitta Floderus-Myrhed: Cross-validation of the Eysenck extraversion and neuroticism scales in Finland and Sweden. Kansanterveystieteen julkaisuja M62, 1981.

1980

14. Seppo Sarna, Jaakko Kaprio: Use of multiple logistic analysis in twin zygosity diagnosis. Human Heredity 30, 71-80, 1980.

15. Pertti Sistonen, Vivian Johnsson, Markku Koskenvuo, Kimmo Aho: Serum IgE levels and allergy in twins. Human Heredity 30: 155-158, 1980.

16. Pertti Sistonen, Christian Enholm: On the Heritability of Serum High Density Lipoprotein in Twins. Am J Hum Genet 32:1-7, 1980.

1979

8. Seppo Sarna: Probabilities of concordance of twins with respect to genetic markers. Acta Genet Med Gemellol 28: 125-132, 1979.

9. Seppo Sarna, Jaakko Kaprio: Dependency of concordance probability on gene frequencies in genetic systems for the diagnosis of twin zygosity. Acta Genet Med Gemellol 28, 133-137, 1979.

10. Seppo Sarna, Jaakko Kaprio: Optimization procedures in twin zygosity diagnosis by genetic markers. Acta Genet Med Gemellol 28, 139-148, 1979.

11. Jaakko Kaprio, Markku Koskenvuo, Markus Artimo, Seppo Sarna, Ilari Rantasalo: Baseline characteristics of the Finnish Twin Registry: Section I: Materials, methods, representativeness and results for variables special to twin studies. Kansanterveystieteen julkaisuja M47, 1979.

12. Seppo Sarna, Jaakko Kaprio: Applicability of Selvin's Efficiency Measure in Twin Zygosity Diagnosis by Genetic Systems. Acta Genet Med Gemellol 28: 169, 1979.

13. Markku Koskenvuo, Heimo Langinvainio, Jaakko Kaprio, Ilari Rantasalo, Seppo Sarna: The Finnish Twin Registry: Baseline characteristics: Section III: Occupational and psychosocial factors. Kansanterveystieteen julkaisuja M49, Helsinki 1979.

1978

4. Seppo Sarna, Jaakko Kaprio, Pertti Sistonen, Markku Koskenvuo: Diagnosis of twin zygosity by mailed questionnaire. Human Heredity 28, 241-254, 1978.

5. Jaakko Kaprio, Seppo Sarna, Markku Koskenvuo, Ilari Rantasalo: Baseline characteristics of the Finnish Twin Registry: Section II: History of symptoms and illnesses, use of drugs, physical characteristics, smoking, alcohol and physical activity. Kansanterveystieteen julkaisuja M37, Helsinki 1978.

6. Jaakko Kaprio, Seppo Sarna, Markku Koskenvuo ja Ilari Rantasalo: The Finnish Twin Registry: Formation and compilation, questionnaire study, zygosity determination procedures and research program. In Twin Research: Biology and Epidemiology (Ed. W. Nance), Prog Clin Biol Res 24B; 179-184,1978

7. Jaakko Kaprio, Lyly Teppo: Basal cell carcinoma in identical twins. British Medical Journal 6134, 436, 1978.

1977

3. Seppo Sarna: Zygosity diagnosis in epidemiological twin studies by blood markers and by questionnaire. Kansanterveystieteen julkaisuja M23, Helsinki 1977. (Thesis).

1976

1. Seppo Sarna, Markku Koskenvuo, Jaakko Kaprio, Ilari Rantasalo: The dataprocessing procedures of the Finnish Twin Register: Compilation and mailing. Kansanterveystieteen julkaisuja M19, Helsinki 1976.

2. Markku Koskenvuo, Seppo Sarna, Jaakko Kaprio ja Ilari Rantasalo: Methodology and structure of the Finnish Twin Registry. Kansanterveystieteen julkaisuja M20, Helsinki 1976.

Letters and short communications

1. Markku Koskenvuo, Jaakko Kaprio, Pertti Sistonen: Inverse correlation between HDL apoproteins (A-I,A-II) and immunoglobulin (IgG). Am Heart J 105:946-947, 1981

2. Esko Kinnunen, Markku Koskenvuo, Jaakko Kaprio, Kimmo Aho. Twinning rate in Finland. Neurology 38: 997, 1988.

3. Tiina Telakivi, Soile Kajaste, Markku Partinen, Tapani Salmi, Markku Koskenvuo, and Jaakko Kaprio. Snoring History, Periodic Breathing and Hypoxia during Sleep. Sleep '86. Edited by W.P.Koella, F.Obal, H.Schulz and P.Visser. pp 430-431, Gustav Fisher verlag. Stuttgart, New York, 1988.

4. Esko Kinnunen, Markku Koskenvuo. MS in twins. Neurology 39: 612, 1989.

5. M. Turula, J. Kaprio, A. Rissanen, and M. Koskenvuo: Body weight in the Finnish Twin Cohort. Diabetes Research and Clinical Practice 10: S33-S36, 1990

6. Korkeila M, Kaprio J, Rissanen A, Koeskenvuo M, Heikkilä K: Weight Changes Among 13,097 Adult Finns Over Six Years. Obesity in Europe 91, Eds G. Ailhaud & al. John Libbey & Company Ltd. pp 129- 133.

7. Kaprio J, Kujala U, Peltonen L, Koskenvuo M. Genetic liability to osteoarthritis higher in women than in men? BMJ 1996;313:232 (letter to the editor)

8. Räihä I, Kaprio J, Koskenvuo M, Rajala T, Sourander L. Dementia in twins. Lancet 1996; 347: 1706.

9. Kujala UM. Kaprio J. Sarna S. Koskenvuo M. Leisure-time physical activity and mortality - how is sausage made - reply. JAMA 279(20):1611, 1998

10. Kaprio J, Pietiläinen K. Fetal growth retardation in twins. eBMJ, 30 Aug 1999

11. Lichtenstein P, Kaprio J, Hemminki K: Response to correspondence on Cancer, Genes, and the Environment by Spector N, Shapiro BL, Peto R, Begg CB. New Engl J Med 2000; 343 (20):1494-1496

12. Huovinen E, Kaprio J. Twins and asthma. BMJ 2001;322:556 (letter).

Reviews

1. Koskenvuo M, Partinen M, Kaprio J. Snoring and disease. Ann Clin Res 1985;17:247-251.

2. Markku Koskenvuo. Cardiovascular stress and sleep. Annals of Clinical Research 19: 110-113, 1987.

3. Markku Koskenvuo, Jaakko Kaprio, Markku Partinen. Snoring, cardiovascular morbidity and mortality. Sleep '86. Edited by W.P.Koella, F.Obal, H.Schulz and P.Visser. pp 200-203, Gustav Fisher verlag. Stuttgart, New York, 1988.

4. Tiina Telakivi, Markku Partinen, Markku Koskenvuo, Jaakko Kaprio. Snoring and cardiovascular disease - the new association. Comprehensive Therapy 13: 53-57, 1987.

5. Markku Koskenvuo. Kaksostutkimuksen periaatteet. Duodecim 105: 1702-1706, 1989.

6. Jaakko Kaprio, Markku Koskenvuo, Richard J Rose. Population-based twin registries: Illustrative applications in genetic epidemiology and behavioral genetics from the Finnish Twin Cohort Study. Acta Genet Med Gemellol 39: 427-439, 1990.

7. Riitta Lassila, Markku Koskenvuo, Jaakko Kaprio, Kai E. Laustiola. Valtimonseinämän ja verihiutaleiden vuorovaikutus tupakoitsijoilla. Suomen Lääkärilehti 45: 135-139, 1990

8. Kaprio J. Perimän ja ympäristön vuorovaikutuksen selvittäminen geneettisessä epidemiologiassa. Sosiaalilääketieteellisen Aikakauslehti 1991;28: 377-384.

9. Riitta Lassila, Markku Koskenvuo, Jaakko Kaprio, Kai E Laustiola: Interaktion mellan artärvägg och trombocyter hos rökare. Nordisk Medicin 106: 8-10, 1991

10. Partinen M, Kaprio J, Koskenvuo M, Telakivi T, Seppälä T, Partinen R, Sintonen H. Epidemiology of sleep disordered breathing in Finland. In (ST Kuna, PM Suratt, JE Remmers eds.): Sleep and respiration in aging adults. New York: Elsevier Scientific Publications, 1991 pp. 129-135.

11. Koskenvuo M, Kaprio J, Romanov K. Twin Studies in Metabolic Diseases. Annals of Medicine 1992; 24: 379-81.

12. Kaprio J, Buchsbaum M, Gottesman II, Heath A, Körner J, Kringlen E, McGuffin P, Propping P, Rietschel M, Stassen H. What can twin studies contribute to the understanding of adult psychopathology. In: (T Bouchard, P Propping, eds). What are the Mechanisms Mediating the Genetics and Environmental Determinants of Behavior? Twins as a Tool of Behavioral Genetics. Dahlem Workshop Report LS53. Chichester: Wiley 1993, pp. 287-299.

13. Christer Hublin, Jaakko Kaprio, Markku Partinen, Markku Koskenvuo: Narkolepsian epidemiologia Suomessa. Duodecim 111: 1141 1147, 1995.

14. Hublin C, Partinen M, Kaprio J, Koskenvuo M, Guilleminault C. Epidemiology of narcolepsy. Sleep 1994;17:S7-12.

15. Hublin C, Partinen M, Kaprio J, Koskenvuo M, Guilleminault C. Twin studies in narcolepsy. Sleep 1994;17:S13-16.

16. Pentti Järvinen, Kimmo Aho: Twin studies in rheumatic diseases. Semin Arthritis Rheum 24: 19 28, 1994.

17. Kaprio J. Lessons from twin studies in Finland. Annals of Medicine 1994; 26:135-139.

18. Kaprio J. Similitude génétique, proximité psychosociale et concordance des conduites d'alcoolisation: quels enseignements tirer des études finlandaises sur les jumeaux? In: Pour une alcoologie plurielle. Actes du Forum européen de la revue Alcoologie plurielle, février 1993,Cergy-Pointoise. (eds. Zolatareff J-P, Cerclé A). Éditions L'Harmattan, Paris 1994: 31-45.

19. Vehmanen L, Kaprio J, Lönnqvist J. Twin studies on concordance for bipolar disorder. Psychiatrica Fennica 1995; 26:107-116.

20. Hublin C, Kaprio J, Partinen M, Koskenvuo M. Narkolepsian epidemiologia Suomessa. Duodecim 1995; 111:1141-1147.

21. Michele Crites Battié, Jaakko Kaprio. The role of genetic influences in disc degeneration and herniation. In : Low Back Pain: A Scientific and Clinical Overview. (eds. Weinstein JN, Gordon S.). American Academy of Orthopaedic Surgeons: Rosemont, Illinois. 1996, pp 85-96.

22. Räihä I, Kaprio J, Koskenvuo M, Rajala T, Sourander L. Alzheimer's disease in twins. Biomedicine & Pharmacotherapy 1997; 51(3):101-104

23. Kaprio J, Verkasalo PK, Koskenvuo M. Sample selection and outcome definition in twin studies: experiences from the Finnish Twin Cohort Study. In: Spector T, Snieder H, Macgregor A, eds. Advances in Twin & Sib-pair analysis. Greenwich Medical Media: London. 1999. Chapter 3. (Paper presented at the First International Workshop on the Genetic Epidemiology of Complex Traits using Twins and Sib-Pairs, Cambridge March 26-27, 1998)

24. Kaprio J. Science, Medicine and the Future: Genetic Epidemiology. BMJ 2000; 320: 1257-1259

25. Laitinen T, M. Räsänen, P. Kauppi, J. Kaprio, M. Koskenvuo, J. Kere, L. Laitinen. Heredity of asthma in Finland. European respiratory review 2000;10: 394-395.

26. Kaprio J. Perimä, elämänkulku ja terveys. kirjassa: Suomalainen elämänkulku, toim. Heikkinen E ja Tuomi J. Tammi: Helsinki, sivut 126-137, 2000.

27. Kaprio J. Twin Studies in Finland 2006. Twin Research and Human Genetics 2006 6:772-777.

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