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Publikasjoner fra tvillingstudiene − Nasjonalt tvillingregister

Listen er inndelt etter år og dernest tema. Publikasjoner fra tidligere tvillingregistre og -undersøkelser er også tatt med fordi de nå er en del av Nasjonalt tvillingregister.

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Publikasjoner: 2013−2015

Trauma Exposure and Axis I Psychopathology: A Co-twin Control Analysis in Norwegian Young Adults. Brown RC, Berenz EC, Aggen SH, Gardner CO, Knudsen GP, Reichborn-Kjennerud T, Kendler KS, Amstadter AB. Psychol Trauma. 2014 Nov;6(6):652-660.

Sex differences in genetic and environmental influences on educational attainment and income. Orstavik RE, Czajkowski N, Røysamb E, Knudsen GP, Tambs K, Reichborn-Kjennerud T. Twin Res Hum Genet. 2014 Dec;17(6):516-25. doi: 10.1017/thg.2014.68.

A longitudinal twin study of cluster A personality disorders. Kendler KS, Aggen SH, Neale MC, Knudsen GP, Krueger RF, Tambs K, Czajkowski N, Ystrom E, Orstavik RE, Reichborn-Kjennerud T. Psychol Med. 2014 Nov 14:1-8. [Epub ahead of print]

Early age of alcohol initiation is not the cause of alcohol use disorders in adulthood, but is a major indicator of genetic risk. A population-based twin study. Ystrom E, Kendler KS, Reichborn-Kjennerud T. Addiction. 2014 Nov;109(11):1824-32. doi: 10.1111/add.12620. Epub 2014 Aug 19.

Genetic and environmental contributions to the relationship between internalizing disorders and sick leave granted for mental and somatic disorders. Torvik FA, Gjerde LC, Røysamb E, Tambs K, Kendler KS, Czajkowski NO, Knudsen GP, Reichborn-Kjennerud T, Ørstavik RE. Twin Res Hum Genet. 2014 Aug;17(4):225-35. doi: 10.1017/thg.2014.27. Epub 2014 May 14.

The heritability of prostate cancer in the Nordic Twin Study of Cancer. Hjelmborg JB, Scheike T, Holst K, Skytthe A, Penney KL, Graff RE, Pukkala E, Christensen K, Adami HO, Holm NV, Nuttall E, Hansen S, Hartman M, Czene K, Harris JR, Kaprio J, Mucci LA. Cancer Epidemiol Biomarkers Prev. 2014 Nov;23(11):2303-10. doi: 10.1158/1055-9965.EPI-13-0568. Epub 2014 May 8.

Personality disorders and long-term sick leave: a population-based study of young adult Norwegian twins.
Gjerde LC, Røysamb E, Czajkowski N, Knudsen GP, Ostby K, Tambs K, Kendler KS, Reichborn-Kjennerud T, Orstavik RE. Twin Res Hum Genet. 2014 Feb;17(1):1-9. doi: 10.1017/thg.2013.90. Epub 2014 Jan 14.

Childhood trauma and personality disorder criterion counts: a co-twin control analysis. Berenz EC, Amstadter AB, Aggen SH, Knudsen GP, Reichborn-Kjennerud T, Gardner CO, Kendler KS. J Abnorm Psychol. 2013 Nov;122(4):1070-6. doi: 10.1037/a0034238.

Genetic and environmental risk factors for illicit substance use and use disorders: Joint analysis of self and co-twin ratings. Ystrom E, Reichborn-Kjennerud T, Neale MC, Kendler KS. Behav Genet. 2014 Jan;44(1):1-13. doi: 10.1007/s10519-013-9626-6. Epub 2013 Nov 7.

Structure of genetic and environmental risk factors for symptoms of DSM-IV borderline personality disorder.
Reichborn-Kjennerud T, Ystrom E, Neale MC, Aggen SH, Mazzeo SE, Knudsen GP, Tambs K, Czajkowski NO, Kendler KS. JAMA Psychiatry. 2013 Nov;70(11):1206-14. doi: 10.1001/jamapsychiatry.2013.1944.

Berenz EC, Amstadter AB, Aggen SH, Knudsen GP, Reichborn-Kjennerud T, Gardner CO, Kendler KS. Childhood trauma and personality disorder criterion counts: A co-twin control analysis. J Abnorm Psychol. 2013 Nov;122(4):1070-6.

Gjerde LC, Knudsen GP, Czajkowski N, Gillespie N, Aggen SH, Røysamb E, Reichborn-Kjennerud T, Tambs K, Kendler KS, Orstavik RE. Genetic and environmental contributions to long-term sick leave and disability pension: a population-based study of young adult Norwegian twins. Twin Res Hum Genet. 2013 Aug;16(4):759-66.

Eriksen W, Sundet JM, Tambs K. Adult Body Height of Twins Compared With That of Singletons: A Register-based Birth Cohort Study of Norwegian Males. Am J Epidemiol. 2013 Mar 29. [Epub ahead of print]

Roberson-Nay R, Moruzzi S, Ogliari A, Pezzica E, Tambs K, Kendler KS, Battaglia M. Evidence for distinct genetic effects associated with response to 35% CO₂. Depress Anxiety. 2013 Mar;30(3):259-66.

Generell tvillingforskning

Nilsen TS, Knudsen GP, Gervin K, Brandt I, Røysamb E, Tambs K, Orstavik R, Lyle R, Reichborn-Kjennerud T, Magnus P, Harris JR. The Norwegian Twin Registry from a public health perspective: a research update. Twin Res Hum Genet. 2013 Feb;16(1):285-95.

Nilsen TS, Brandt I, Magnus P, Harris JR. The Norwegian Twin Registry. Twin Res Hum Genet. 2012 Dec;15(6):775-80.

Harris JR, Magnus P, Tambs K. The Norwegian Institute of Public Health twin program of research: an update. Twin Res Hum Genet. 2006 Dec;9(6):858-64.

Harris JR, Magnus P, Tambs K. The Norwegian Institute of Public Health Twin Panel: a description of the sample and program of research. Twin Res. 2002 Oct;5(5):415-23. Review. PMID: 12613498 [PubMed - indexed for MEDLINE]

Bergem AL. Norwegian Twin Registers and Norwegian twin studies--an overview. Twin Res. 2002 Oct;5(5):407-14. Review.

Magnus P, Harris JR, Nystad W, Tambs K. What can twin research reveal about the causes of diseases? Tidsskr Nor Laegeforen. 1999 Sep 20;119(22):3317-21. Norwegian.

Irgens LM. Genetic epidemiology and twin research Tidsskr Nor Laegeforen. 1999 Sep 20;119(22):3251. Norwegian.

Torgersen S. Sampling problems in twin research. J Psychiatr Res. 1987;21(4):385-90.

Magnus P, Berg K, Nance WE. Predicting zygosity in Norwegian twin pairs born 1915-1960. Clin Genet. 1983 Aug;24(2):103-12.

Kringlen E. Norwegian twin registers. Prog Clin Biol Res. 1978;24 Pt B:185-7.

Harvald B. Twins in clinical genetics. Tidsskr Nor Laegeforen. 1967 Mar 1;87(5):Suppl:475-7.

Mental helse, livskvalitet, spiseforstyrrelser

Torgersen S, Myers J, Reichborn-Kjennerud T, Røysamb E, Kubarych TS, Kendler
KS. The heritability of Cluster B personality disorders assessed both by personal
interview and questionnaire. J Pers Disord. 2012 Dec;26(6):848-66. doi:
10.1521/pedi.2012.26.6.848.

Eriksen W, Sundet JM, Tambs K. Twin-singleton differences in intelligence: a
register-based birth cohort study of Norwegian males. Twin Res Hum Genet. 2012
Oct;15(5):649-55.

Amstadter AB, Aggen SH, Knudsen GP, Reichborn-Kjennerud T, Kendler KS. A
population-based study of familial and individual-specific environmental
contributions to traumatic event exposure and posttraumatic stress disorder
symptoms in a Norwegian twin sample. Twin Res Hum Genet. 2012 Oct;15(5):656-62.

Nielsen CS, Knudsen GP, Steingrímsdóttir ÓA. Twin studies of pain. Clin
Genet. 2012 Oct;82(4):331-40.

Amstadter AB, Aggen SH, Knudsen GP, Reichborn-Kjennerud T, Kendler KS.
Potentially traumatic event exposure, posttraumatic stress disorder, and Axis I
and II comorbidity in a population-based study of Norwegian young adults. Soc
Psychiatry Psychiatr Epidemiol. 2013 Feb;48(2):215-23.

Gjerde LC, Czajkowski N, Røysamb E, Orstavik RE, Knudsen GP, Ostby K,
Torgersen S, Myers J, Kendler KS, Reichborn-Kjennerud T. The heritability of
avoidant and dependent personality disorder assessed by personal interview and
questionnaire. Acta Psychiatr Scand. 2012 Dec;126(6):448-57.

Nielsen CS. What can we learn from twin studies of pain and analgesia? Pain.
2012 Jul;153(7):1346-7.

Kringlen E. History of Norwegian psychiatry. Nord J Psychiatry. 2012 Mar;66
Suppl 1:31-41.

Lydecker JA, Pisetsky EM, Mitchell KS, Thornton LM, Kendler KS,
Reichborn-Kjennerud T, Lichtenstein P, Bulik CM, Mazzeo SE. Association between
co-twin sex and eating disorders in opposite sex twin pairs: evaluations in North
American, Norwegian, and Swedish samples. J Psychosom Res. 2012 Jan;72(1):73-7.

Tambs K, Kendler KS, Reichborn-Kjennerud T, Aggen SH, Harris JR, Neale MC,
Hettema JM, Sundet JM, Battaglia M, Røysamb E. Genetic and environmental
contributions to the relationship between education and anxiety disorders - a
twin study. Acta Psychiatr Scand. 2012 Mar;125(3):203-12.

Ystrom E, Reichborn-Kjennerud T, Aggen SH, Kendler KS. Alcohol dependence in
men: reliability and heritability. Alcohol Clin Exp Res. 2011 Sep;35(9):1716-22.

Gervin K, Hammerø M, Akselsen HE, Moe R, Nygård H, Brandt I, Gjessing HK, Harris JR, Undlien DE, Lyle R. Extensive variation and low heritability of DNA methylation identified in a twin study. Genome Res. 2011 Nov;21(11):1813-21. Epub 2011 Sep 26.

Røysamb E, Kendler KS, Tambs K, Orstavik RE, Neale MC, Aggen SH, Torgersen S, Reichborn-Kjennerud T. The joint structure of DSM-IV Axis I and Axis II disorders. J Abnorm Psychol. 2011 Feb;120(1):198-209.

Gjerde LC, Røysamb E, Czajkowski N, Reichborn-Kjennerud T, Orstavik RE, Kendler KS, Tambs K. Strong genetic correlation between interview-assessed internalizing disorders and a brief self-report symptom scale. Twin Res Hum Genet. 2011 Feb;14(1):64-72.

Czajkowski N, Kendler KS, Tambs K, Røysamb E, Reichborn-Kjennerud T. The structure of genetic and environmental risk factors for phobias in women. Psychol Med. 2011 Sep;41(9):1987-95. Epub 2011 Jan 7.

Bengtson MB, Aamodt G, Vatn MH, Harris JR. Concordance for IBD among twins compared to ordinary siblings--a Norwegian population-based study. J Crohns Colitis. 2010 Sep;4(3):312-8. Epub 2010 Jan 4.

Kendler KS, Aggen SH, Knudsen GP, Røysamb E, Neale MC, Reichborn-Kjennerud T. The structure of genetic and environmental risk factors for syndromal and subsyndromal common DSM-IV axis I and all axis II disorders. Am J Psychiatry. 2011 Jan;168(1):29-39. Epub 2010 Oct 15.

Czajkowski N, Røysamb E, Reichborn-Kjennerud T, Tambs K. A population based family study of symptoms of anxiety and depression: the HUNT study. J Affect Disord. 2010 Sep;125(1-3):355-60. Epub 2010 May 23.

Reichborn-Kjennerud T, Czajkowski N, Røysamb E, Ørstavik RE, Neale MC, Torgersen S, Kendler KS. Major depression and dimensional representations of DSM-IV personality disorders: a population-based twin study. Psychol Med. 2010 Sep;40(9):1475-84. Epub 2009 Nov 17.

Ystrom E, Reichborn-Kjennerud T, Aggen SH, Kendler KS. Alcohol dependence in men: reliability and heritability. Alcohol Clin Exp Res. 2011 Sep;35(9):1716-22. doi: 10.1111/j.1530-0277.2011.01518.x. Epub 2011 Jun 15.

Nes RB, Røysamb E, Harris JR, Czajkowski N, Tambs K. Mates and marriage matter: genetic and environmental influences on subjective wellbeing across marital status. Twin Res Hum Genet. 2010 Aug;13(4):312-21.

Kubarych TS, Aggen SH, Kendler KS, Torgersen S, Reichborn-Kjennerud T, Neale MC. Measurement non-invariance of DSM-IV narcissistic personality disorder criteria across age and sex in a population-based sample of Norwegian twins. Int J Methods Psychiatr Res. 2010 Jul 13. [Epub ahead of print]

Czajkowski N, Røysamb E, Reichborn-Kjennerud T, Tambs K. A population based family study of symptoms of anxiety and depression: the HUNT study. J Affect Disord. 2010 Sep;125(1-3):355-60. Epub 2010 May 23.

Nes, Ragnhild, Czajkowski, N., Tambs, K. Family Matters: Happiness in Nuclear Families and Twins Behavior Genetics 2010 Volume 40, Number 5, 577-590

Ogliari A, Tambs K, Harris JR, Scaini S, Maffei C, Reichborn-Kjennerud T, Battaglia M. The relationships between adverse events, early antecedents, and carbon dioxide reactivity as an intermediate phenotype of panic disorder: a general population study. Psychother Psychosom. 2010;79(1):48-55. Epub 2009 Nov 18. PMID: 19923875 [PubMed - indexed for MEDLINE]

Mazzeo SE, Mitchell KS, Bulik CM, Reichborn-Kjennerud T, Kendler KS, Neale MC. Assessing the heritability of anorexia nervosa symptoms using a marginal maximal likelihood approach. Psychol Med. 2009 Mar;39(3):463-73. Epub 2008 May 19.

Aggen SH, Neale MC, Røysamb E, Reichborn-Kjennerud T, Kendler KS. A psychometric evaluation of the DSM-IV borderline personality disorder criteria: age and sex moderation of criterion functioning. Psychol Med. 2009 Dec;39(12):1967-78. Epub 2009 Apr 29. PMID: 19400977 [PubMed - indexed for MEDLINE]

Tambs K, Rønning T, Prescott CA, Kendler KS, Reichborn-Kjennerud T, Torgersen S, Harris JR. The Norwegian Institute of Public Health twin study of mental health: examining recruitment and attrition bias. Twin Res Hum Genet. 2009 Apr;12(2):158-68.

Tambs K, Czajkowski N, Røysamb E, Neale MC, Reichborn-Kjennerud T, Aggen SH, Harris JR, Ørstavik RE, Kendler KS. Structure of genetic and environmental risk factors for dimensional representations of DSM-IV anxiety disorders.  Br J Psychiatry. 2009 Oct;195(4):301-7. PMID: 19794197 [PubMed - indexed for MEDLINE] 

Reichborn-Kjennerud T, Czajkowski N, Røysamb E, Orstavik RE, Neale MC, Torgersen S, Kendler KS. Major depression and dimensional representations of DSM-IV personality disorders: a population-based twin study. Psychol Med. 2009 Nov 17:1-10. PMID: 19917148 [PubMed - as supplied by publisher]

Battaglia M, Pesenti-Gritti P, Medland SE, Ogliari A, Tambs K, Spatola CA. A genetically informed study of the association between childhood separation anxiety, sensitivity to CO(2), panic disorder, and the effect of childhood parental loss. Arch Gen Psychiatry. 2009 Jan;66(1):64-71.

Kendler KS, Aggen SH, Czajkowski N, Røysamb E, Tambs K, Torgersen S, Neale MC,
Reichborn-Kjennerud T. The structure of genetic and environmental risk factors for DSM-IV personality disorders: a multivariate in study. Arch Gen Psychiatry. 2008 Dec;65(12):1438-46. PMID: 19047531 [PubMed - indexed for MEDLINE]

Reichborn-Kjennerud T. Genetics of personality disorders. Psychiatr Clin North Am. 2008 Sep;31(3):421-40, vi-vii. Review.

Mazzeo SE, Mitchell KS, Bulik CM, Reichborn-Kjennerud T, Kendler KS, Neale MC. Assessing the heritability of anorexia nervosa symptoms using a marginal maximal likelihood approach. Psychol Med. 2009 Mar;39(3):463-73. Epub 2008 May 19.

Czajkowski N, Kendler KS, Jacobson KC, Tambs K, Røysamb E, Reichborn-Kjennerud T. Passive-aggressive (negativistic) personality disorder: a population-based twin study. J Pers Disord. 2008 Feb;22(1):109-22.

Torgersen S, Czajkowski N, Jacobson K, Reichborn-Kjennerud T, Røysamb E, Neale
MC, Kendler KS. Dimensional representations of DSM-IV cluster B personality disorders in a population-based sample of Norwegian twins: a multivariate study. Psychol Med. 2008 Nov;38(11):1617-25. Epub 2008 Feb 14.

Javaras KN, Laird NM, Reichborn-Kjennerud T, Bulik CM, Pope HG Jr, Hudson JI. Familiality and heritability of binge eating disorder: results of a case-control family study and a twin study. Int J Eat Disord. 2008 Mar;41(2):174-9.

Ørstavik RE, Kendler KS, Czajkowski N, Tambs K, Reichborn-Kjennerud T. The relationship between depressive personality disorder and major depressive disorder: a population-based twin study.  Am J Psychiatry. 2007 Dec;164(12):1866-72; quiz 1924.

Battaglia M, Pesenti-Gritti P, Spatola CA, Ogliari A, Tambs K. A twin study of the common vulnerability between heightened sensitivity to hypercapnia and panic disorder. Am J Med Genet B Neuropsychiatr Genet. 2008 Jul 5;147B(5):586-93.

Reichborn-Kjennerud T, Czajkowski N, Torgersen S, Neale MC, Ørstavik RE,
Tambs K, Kendler KS. The relationship between avoidant personality disorder and social phobia: a population-based twin study. Am J Psychiatry. 2007 Nov;164(11):1722-8.

Nes RB, Røysamb E, Reichborn-Kjennerud T, Harris JR, Tambs K. Symptoms of anxiety and depression in young adults: genetic and environmental influences on stability and change. Twin Res Hum Genet. 2007 Jun;10(3):450-61.

Battaglia M, Ogliari A, Harris J, Spatola CA, Pesenti-Gritti P, Reichborn-Kjennerud T, Torgersen S, Kringlen E, Tambs K. A genetic study of the acute anxious response to carbon dioxide stimulation in man. J Psychiatr Res. 2007 Dec;41(11):906-17. Epub 2007 Jan 24.

Kendler KS, Myers J, Torgersen S, Neale MC, Reichborn-Kjennerud T. The heritability of cluster A personality disorders assessed by both personal interview and questionnaire. Psychol Med. 2007 May;37(5):655-65. Epub 2007 Jan 16.

Reichborn-Kjennerud T, Czajkowski N, Neale MC, Ørstavik RE, Torgersen S, Tambs K, Røysamb E, Harris JR, Kendler KS. Genetic and environmental influences on dimensional representations of DSM-IV cluster C personality disorders: a population-based multivariate twin study. Psychol Med. 2007 May;37(5):645-53. Epub 2006 Nov 30.

Ørstavik RE, Kendler KS, Czajkowski N, Tambs K, Reichborn-Kjennerud T. Genetic and environmental contributions to depressive personality disorder in a population-based sample of Norwegian twins.
J Affect Disord. 2007 Apr;99(1-3):181-9. Epub 2006 Oct 17.

Kendler KS, Czajkowski N, Tambs K, Torgersen S, Aggen SH, Neale MC, Reichborn-Kjennerud T. Dimensional representations of DSM-IV cluster A personality disorders in a population-based sample of Norwegian twins: a multivariate study. Psychol Med. 2006 Nov;36(11):1583-91. Epub 2006 Aug 8.

Nes RB, Røysamb E, Tambs K, Harris JR, Reichborn-Kjennerud T. Subjective well-being: genetic and environmental contributions to stability and change. Psychol Med. 2006 Jul;36(7):1033-42.

Kendler KS, Aggen SH, Tambs K, Reichborn-Kjennerud T. Illicit psychoactive substance use, abuse and dependence in a population-based sample of Norwegian twins. Psychol Med. 2006 Jul;36(7):955-62. Epub 2006 May 2.

Nes RB, Røysamb E, Reichborn-Kjennerud T, Tambs K, Harris JR. Subjective wellbeing and sleep problems: a bivariate twin study. Twin Res Hum Genet. 2005 Oct;8(5):440-9.

Reichborn-Kjennerud T, Røysamb E, Tambs K, Torgersen S, Kringlen E, Magnus P, Harris JR. Genetic and environmental influences on the association between smoking and panic attacks in females: a population-based twin study. Psychol Med. 2004 Oct;34(7):1271-7.

Reichborn-Kjennerud T, Bulik CM, Sullivan PF, Tambs K, Harris JR. Psychiatric and medical symptoms in binge eating in the absence of compensatory behaviors. Obes Res. 2004 Sep;12(9):1445-54.

Reichborn-Kjennerud T, Bulik CM, Tambs K, Harris JR. Genetic and environmental influences on binge eating in the absence of compensatory behaviors: a population-based twin study. Int J Eat Disord. 2004 Nov;36(3):307-14.

Reichborn-Kjennerud T, Bulik CM, Kendler KS, Roysamb E, Tambs K, Torgersen S, Harris JR. Undue influence of weight on self-evaluation: a population-based twin study of gender differences. Int J Eat Disord. 2004 Mar;35(2):123-32; discussion 133-5.

Røysamb E, Tambs K, Reichborn-Kjennerud T, Neale MC, Harris JR. Happiness and health: environmental and genetic contributions to the relationship between subjective well-being, perceived health, and somatic illness. J Pers Soc Psychol. 2003 Dec;85(6):1136-46.

Reichborn-Kjennerud T, Bulik CM, Kendler KS, Røysamb E, Maes H, Tambs K, Harris JR.
Gender differences in binge-eating: a population-based twin study. Acta Psychiatr Scand. 2003 Sep;108(3):196-202.

Sundet JM, Skre I, Okkenhaug JJ, Tambs K. Genetic and environmental causes of the interrelationships between self-reported fears. A study of a non-clinical sample of Norwegian identical twins and their
families. Scand J Psychol. 2003 Apr;44(2):97-106.

Reichborn-Kjennerud T, Stoltenberg C, Tambs K, Roysamb E, Kringlen E, Torgersen S, Harris JR. Back-neck pain and symptoms of anxiety and depression: a population-based twin study. Psychol Med. 2002 Aug;32(6):1009-20.

Kringlen E. Twin studies in psychiatry. Tidsskr Nor Laegeforen. 1999 Sep 20;119(22):3322-8. Review.

Tambs K, Harris JR, Magnus P. Genetic and environmental contributions to the correlation between alcohol consumption and symptoms of anxiety and depression. Results from a bivariate analysis of Norwegian twin data. Behav Genet. 1997 May;27(3):241-50.

Gjone H, Stevenson J. A longitudinal twin study of temperament and behavior problems: common genetic or environmental influences? J Am Acad Child Adolesc Psychiatry. 1997 Oct;36(10):1448-56.

Gjone H, Stevenson J. The association between internalizing and externalizing behavior in childhood and early adolescence: genetic of environmental common influences? J Abnorm Child Psychol. 1997 Aug;25(4):277-86.

Tambs K, Harris JR, Magnus P. Sex-specific causal factors and effects of common environment for symptoms of anxiety and depression in twins. Behav Genet. 1995 Jan;25(1):33-44.

Gjone H, Stevenson J, Sundet JM. Genetic influence on parent-reported attention-related problems in a Norwegian general population twin sample. J Am Acad Child Adolesc Psychiatry. 1996 May;35(5):588-96; discussion 596-8.

Kringlen E. Causes of serious mental disorders. Tidsskr Nor Laegeforen. 1994 Apr 10;114(9):1058-61. Review.

Andrews G, Stewart G, Allen R, Henderson AS. The genetics of six neurotic disorders: a twin study. J Affect Disord. 1990 May;19(1):23-9.

Kringlen E. The status of schizophrenia research. Tidsskr Nor Laegeforen. 1978 Jan 20;98(2):65-9. Norwegian. No abstract available.

Kringlen E. The problem of heredity and environment--illustrated by psychiatric twin- and adoptive studies. Tidsskr Nor Laegeforen. 1972 Jan 10;92(1):6-10. Norwegian.

Svangerskap og perinatal helse

Grjibovski AM, Harris JR, Magnus P. Birthweight and adult health in a population-based sample of Norwegian twins. Twin Res Hum Genet. 2005 Apr;8(2):148-55.

Glinianaia SV, Magnus P, Harris JR, Tambs K. Is there a consequence for fetal growth of having an unlike-sexed cohabitant in utero? Int J Epidemiol. 1998 Aug;27(4):657-9.

Magnus P, Berg K, Bjerkedal T, Nance WE. The heritability of smoking behaviour in pregnancy, and the birth weights of offspring of smoking-discordant twins. Scand J Soc Med. 1985;13(1):29-34.

Golden WL. Reproductive histories in a Norwegian twin population: evaluation of the maternal effect in early spontaneous abortion. Acta Genet Med Gemellol (Roma). 1981;30(2):91-165.

Fysisk helse

Pedersen OB, Svendsen AJ, Ejstrup L, Skytthe A, Harris JR, Junker P. Ankylosing spondylitis in Danish and Norwegian twins: occurrence and the relative importance of genetic vs. environmental effectors in disease causation. Scand J Rheumatol. 2008 Mar-Apr;37(2):120-6. Erratum in: Scand J Rheumatol. 2008 Sep-Oct;37(5):400.

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.

Lund MB, Kongerud J, Nystad W, Boe J, Harris JR. Genetic and environmental effects on exhaled nitric oxide and airway responsiveness in a population-based sample of twins. Eur Respir J. 2007 Feb;29(2):292-8. Epub 2006 Nov 1.

Bengtson MB, Rønning T, Vatn MH, Harris JR. Irritable bowel syndrome in twins: genes and environment. Gut. 2006 Dec;55(12):1754-9. Epub 2006 Sep 28.

Grjibovski AM, Magnus P, Midelfart A, Harris JR. Epidemiology and heritability of astigmatism in Norwegian twins: an analysis of self-reported data. Ophthalmic Epidemiol. 2006 Aug;13(4):245-52.

Kvestad E, Kvaerner KJ, Røysamb E, Tambs K, Harris JR, Magnus P. Heritability of recurrent tonsillitis. Arch Otolaryngol Head Neck Surg. 2005 May;131(5):383-7.

Kramer AA, Berg K, Nance WE. Familial aggregation of congenital dislocation of the hip in a Norwegian population. J Clin Epidemiol. 1988;41(1):91-6.

Nance WE, Corey LA, Boughman JA, Berg K, Magnus P. Distribution of common eye diseases in the families of Norwegian twins. Birth Defects Orig Artic Ser. 1982;18(6):669-78.

Naess K. Individual variations in drug metabolism. Important investigations in twins Tidsskr Nor Laegeforen. 1971 Feb 28;91(6):446-7.

Degnbol B. Heredity in diabetes mellitus. Tidsskr Nor Laegeforen. 1967 Mar 1;87(5):Suppl:483-5.

SORENSEN EW. Bechterew's disease in uniovular female twins. Nord Med. 1960 Mar 31;63:394-5. Norwegian.

Fysisk helse – bmi, vekt og høyde

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, Sørensen 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;3(6):e97. Epub 2007 May 2.

Sundet JM, Tambs K, Harris JR, Magnus P, Torjussen TM. Resolving the genetic and environmental sources of the correlation between height and intelligence: a study of nearly 2600 Norwegian male twin pairs. Twin Res Hum Genet. 2005 Aug;8(4):307-11.

Skytthe A, Pedersen NL, Kaprio J, Stazi MA, Hjelmborg JV, Iachine I, Vaupel JW, Christensen K.
Longevity studies in GenomEUtwin. Twin Res. 2003 Oct;6(5):448-54.

Harris JR, Tambs K, Magnus P. Sex-specific effects for body mass index in the new Norwegian twin panel. Genet Epidemiol. 1995;12(3):251-65.

Demens − Alzheimer

Blom ES, Holmans P, Arepalli S, Adighibe O, Hamshere ML, Gatz M, Pedersen NL, Bergem AL, Owen MJ, Hollingworth P, Goate A, Williams J, Lannfelt L, Hardy J, Wavrant-De Vrièze F, Glaser A. Does APOE explain the linkage of Alzheimer's disease to chromosome 19q13? Am J Med Genet B Neuropsychiatr Genet. 2008 Sep 5;147B(6):778-83.

Bergem AL, Lannfelt L. Apolipoprotein E type epsilon4 allele, heritability and age at onset in twins with Alzheimer disease and vascular dementia. Clin Genet. 1997 Nov;52(5):408-13. PubMed PMID: 9520135.

Bergem AL, Engedal K, Kringlen E. The role of heredity in late-onset Alzheimer disease and vascular dementia. A twin study. Arch Gen Psychiatry. 1997 Mar;54(3):264-70.

Bergem AL. Heredity in dementia of the Alzheimer type. Clin Genet. 1994 Jul;46(1 Spec No):144-9.

Breitner JC, Gatz M, Bergem AL, Christian JC, Mortimer JA, McClearn GE, Heston LL, Welsh KA, Anthony JC, Folstein MF, et al. Use of twin cohorts for research in Alzheimer's disease. Neurology. 1993 Feb;43(2):261-7. Review.

Fysisk helse − Hjerte-kar

Tambs K, Eaves LJ, Moum T, Holmen J, Neale MC, Naess S, Lund-Larsen PG. Age-specific genetic effects for blood pressure. Hypertension. 1993 Nov;22(5):789-95.

Berge KE, Berg K. No effect of TaqI polymorphism at the human renal kallikrein (KLK1) locus on normal blood pressure level or variability. Clin Genet. 1993 Oct;44(4):196-202.

Tambs K, Moum T, Holmen J, Eaves LJ, Neale MC, Lund-Larsen G, Naess S. Genetic and environmental effects on blood pressure in a Norwegian sample. Genet Epidemiol. 1992;9(1):11-26.

Berg K. Risk factor variability and coronary heart disease. Acta Genet Med Gemellol (Roma). 1990;39(1):15-24. Review.

Berg K, Kierulf P. DNA polymorphisms at fibrinogen loci and plasma fibrinogen concentration. Clin Genet. 1989 Oct;36(4):229-35.

Berg K. Variability gene effect on cholesterol at the Kidd blood group locus. Clin Genet. 1988 Feb;33(2):102-7. Erratum in: Clin Genet 1988 May;33(5):400.

Berg K. Twin studies of coronary heart disease and its risk factors. Acta Genet Med Gemellol (Roma). 1987;36(4):439-53.

Kessling AM, Berg K, Mockleby E, Humphries SE. DNA polymorphisms around the apo AI gene in normal and hyperlipidaemic individuals selected for a twin study. Clin Genet. 1986 Jun;29(6):485-90. PMID: 3017614 [PubMed - indexed for MEDLINE]

Berg K. Twin studies of coronary heart disease and its risk factors. Acta Genet Med Gemellol (Roma). 1984;33(3):349-61.

Heiberg A, Magnus P, Berg K, Nance WE. Blood pressure in Norwegian twins. rog Clin Biol Res. 1981;69 Pt C:163-8.

Astma

Nystad W, Røysamb E, Magnus P, Tambs K, Harris JR. A comparison of genetic and environmental variance structures for asthma, hay fever and eczema with symptoms of the same diseases: a study of Norwegian twins. Int J Epidemiol. 2005 Dec;34(6):1302-9. Epub 2005 Apr 14.

Harris JR, Magnus P, Samuelsen SO, Tambs K. No evidence for effects of family environment on asthma. A retrospective study of Norwegian twins. Am J Respir Crit Care Med. 1997 Jul;156(1):43-9.

Psoriasis

Grjibovski AM, Olsen AO, Magnus P, Harris JR. Psoriasis in Norwegian twins: contribution of genetic and environmental effects. J Eur Acad Dermatol Venereol. 2007 Nov;21(10):1337-43.

Olsen AO, Grjibovski A, Magnus P, Tambs K, Harris JR. Psoriasis in Norway as observed in a population-based Norwegian twin panel. Br J Dermatol. 2005 Aug;153(2):346-51.

Otitis Media

Kvestad E, Kvaerner KJ, Røysamb E, Tambs K, Harris JR, Magnus P. Recurrent otitis media and tonsillitis: common disease predisposition. Int J Pediatr Otorhinolaryngol. 2006 Sep;70(9):1561-8. Epub 2006 Jun 5.

Kvestad E, Kvaerner KJ, Røysamb E, Tambs K, Harris JR, Magnus P. The reliability of self-reported childhood otitis media by adults. Int J Pediatr Otorhinolaryngol. 2006 Apr;70(4):597-602. Epub 2005 Sep 6.

Kvestad E, Kvaerner KJ, Røysamb E, Tambs K, Harris JR, Magnus P. Otitis media: genetic factors and sex differences. Twin Res. 2004 Jun;7(3):239-44.

Kvaerner KJ, Tambs K, Harris JR, Magnus P. Distribution and heritability of recurrent ear infections. Ann Otol Rhinol Laryngol. 1997 Aug;106(8):624-32.

Kvaerner KJ, Tambs K, Harris JR, Magnus P. The relationship between otitis media and intrauterine growth: a co-twin control study. Int J Pediatr Otorhinolaryngol. 1996 Nov;37(3):217-25.

Kvaerner KJ, Tambs K, Harris JR, Mair IW, Magnus P. Otitis media: relationship to tonsillitis, sinusitis and atopic diseases. Int J Pediatr Otorhinolaryngol. 1996 Apr;35(2):127-41.

Epilepsi

Corey LA, Kjeldsen MJ, Solaas MH, Nakken KO, Friis ML, Pellock JM. The accuracy of self-reported history of seizures in Danish, Norwegian and U.S. twins. Epilepsy Res. 2009 Mar;84(1):1-5.

Nakken KO, Refsland G, Lillestølen KM, Solaas MH Seizure-precipitating factors in epilepsy--what do patients report? Tidsskr Nor Laegeforen. 2005 Aug 25;125(16):2172-4.

Kjeldsen MJ, Corey LA, Solaas MH, Friis ML, Harris JR, Kyvik KO, Christensen K, Pellock JM. Genetic factors in seizures: a population-based study of 47,626 US, Norwegian and Danish twin pairs. Twin Res Hum Genet. 2005 Apr;8(2):138-47.

Nakken KO, Solaas MH, Kjeldsen MJ, Friis ML, Pellock JM, Corey LA. Which seizure-precipitating factors do patients with epilepsy most frequently report? Epilepsy Behav. 2005 Feb;6(1):85-9.

Corey LA, Berg K, Pellock JM, Solaas MH, Nance WE, DeLorenzo RJ. The occurrence of epilepsy and febrile seizures in Virginian and Norwegian twins. Neurology. 1991 Sep;41(9):1433-6.

Smerte

Nielsen CS, Staud R, Price DD. Individual differences in pain sensitivity: measurement, causation, and consequences. J Pain. 2009 Mar;10(3):231-7. Epub 2009 Jan 29. Review.

Nielsen CS, Staud R, Price DD. Individual differences in pain sensitivity: measurement, causation, and consequences. J Pain. 2009 Mar;10(3):231-7. Epub 2009 Jan 29. Review.

Nielsen CS, Stubhaug A, Price DD, Vassend O, Czajkowski N, Harris JR. Individual differences in pain sensitivity: genetic and environmental contributions. Pain. 2008 May;136(1-2):21-9. Epub 2007 Aug 9.

Nielsen CS, Price DD, Vassend O, Stubhaug A, Harris JR. Characterizing individual differences in heat-pain sensitivity. Pain. 2005 Dec 15;119(1-3):65-74. Epub 2005 Nov 17.

Etikk

Harris JR, Willemsen G, Aitlahti T, Petrini C, Evans A, Silander K, Cirrincione L, Kyvik KO.
Ethical issues and GenomEUtwin. Twin Res. 2003 Oct;6(5):455-63.

Utdanning og sosioøkonomiske faktorer

Heath AC, Berg K, Eaves LJ, Solaas MH, Corey LA, Sundet J, Magnus P, Nance WE.
Education policy and the heritability of educational attainment. Nature. 1985 Apr 25-May 1;314(6013):734-6.