LSADT: Udvalgte publikationer


Investigation of the 5q33.3 longevity locus and age-related phenotypes.
Nygaard M, Thinggaard M, Christensen K, Christiansen L.
Aging (Albany NY). 2017 Jan 13;9(1):247-255. Pubmed abstract

Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts.
Silventoinen K, Hjelmborg JB, Christensen K, Skytthe A, Kyvik KO, McGue M et. al.
Am J Clin Nutr. 2017 Aug;106(2):457-466. Pubmed abstract

Handgrip strength and its prognostic value for mortality in Moscow, Denmark, and England.
Oksuzyan A, Demakakos P, Shkolnikova M, Thinggaard M, Vaupel JW, Christensen K, Shkolnikov VM.
PLoS One. 2017 Sep 1;12(9):e0182684. Pubmed abstract

Heritability of the Number of Teeth in Middle-Aged and Older Danish Twins.
Kurushima Y, Silventoinen K, Dokkedal U, Skytthe A, Mucci LA, Christensen K, Hjelmborg JVB.
J Dent Res. 2017 Dec;96(13):1513-1517. Pubmed abstract


Does physical activity moderate the relationship between depression symptomatology and low back pain? Cohort and co-twin control analyses nested in the longitudinal study of aging Danish twins (LSADT)
Hübscher M, Hartvigsen J, Fernandez M, Christensen K, Ferreira P.
Eur Spine J. 2016 Apr;25(4):1226-33. Pubmed abstract


Fatigue, general health, and ischemic heart disease in older adults
Ekmann A, Petersen I, Mänty M, Petersen I, Avlund K.
J Gerontol A Biol Sci Med Sci. 2013 Mar;68(3):279-85.

Leukocyte telomere dynamics in the elderly.
Steenstrup T, Hjelmborg JV, Mortensen LH, Kimura M, Christensen K, Aviv A.
Eur J Epidemiol. 2013 Feb;28(2):181-7. Pubmed abstract 

CLU genetic variants and cognitive decline among elderly and oldest old.
Mengel-From J, Thinggaard M, Lindahl-Jacobsen R, McGue M, Christensen K, Christiansen L.
PLoS One. 2013 Nov 14;8(11):e79105. Pubmed abstract


Associations between inflammatory markers, candidate polymorphisms and physical performance in older Danish twins
Tiainen K, Thinggaard M, Jylhä M, Bladbjerg E, Christensen K, Christiansen L.
Exp Gerontol. 2012 Jan;47(1):109-15. Pubmed abstract

Skewed X inactivation and survival: A 13-year follow-up study of elderly twins and singletons.
Mengel-From J, Thinggaard M, Christiansen L, Vaupel JW, Orstavik KH, Christensen K.
Eur J Hum Genet. 2012 Mar;20(3):361-4. Pubmed abstract


Subjective wellbeing and longevity: A co-twin control study
Sadler ME, Miller CJ, Christensen K, McGue M.
Twin Res Hum Genet. 2011 Jun;14(3):249-56. Pubmed abstract

Early-life environment influencing susceptibility to cytomegalovirus infection:evidence from the Leiden Longevity Study and the Longitudinal Study of Aging Danish Twins
Mortensen LH, Maier AB, Slagbom PE, Pawelec G, Derhovanessian E, Petersen I, Jahn G, Westendorp RG, Christensen K.
Epidemiol Infect. 2011 Jul 25:1-7. Pubmed abstract

Genetic variants in the choline acetyltransferase (ChAT) gene are modestly associated with normal cognitive function in the elderly
Mengel-From J, Christensen K, Thinggaard M, McGue M, Christiansen L.
Genes Brain Behav. 2011 Nov;10(8):876-82. Pubmed abstract

Leukocyte telomere length and physical ability among Danish Twins age 70+
Bendix L, Gade MM, Staun PW, Kimura M, Jeune B, Hjelmborg JV, Aviv A, Christensen K.
Mech Ageing Dev. 2011 Nov;132(11-12):568-72. Pubmed abstract


Is the relationship between BMI and mortality increasingly U-shaped with advancing age? A 10-year follow-up of persons aged 70-95 years
Thinggaard M, Jacobsen R, Jeune B, Martinussen T, Christensen K.
J Gerontol A Biol Sci Med Sci. 2010 May;65(5):526-31. Pubmed abstract

Leukocyte telomere length is inversely correlated with plasma Von Willebrand factor
Hjelmborg JV, Nzietchueng R, Kimura M, Gardner JP, Bladbjerg EM, Christensen K, Aviv A, Benetos A.
Thromb Res. 2010 Jun;125(6):e339-42. Pubmed abstract


Genetic and environmental links between cognitive and physical functions in old age
Johnson W, Deary IJ, McGue M, Christensen K.
J Gerontol B Psych Sci Soc Sci. 2009;64(1), 65-72. Pubmed abstract

Health-related phenotypes and longevity in Danish twins
Kulminski AM, Arbeev KG, Culminskaya IV, Ukraintseva SV, Christensen K, Yashin AI. 
J Gerontol A Biol Sci Med Sci. 2009;64(1), 1-8. Pubmed abstract

Alanine aminotransferase, gamma-glutamyltransferase (GGT) and all-cause mortality: Results from a population-based Danish twins study alanine aminotransferase, GGT and mortality in elderly twins
Fraser A, Thinggaard M, Christensen K, Lawlor DA.
Liver Int. 2009 Nov; 29(10): 1494-9. Pubmed abstract

Perceived age is a clinically useful biomarker of ageing: Cohort study
Christensen K, Thinggaard M, McGue M, Rexbye H, Hjelmborg JvB, Aviv A, Gunn D, V d Ouderaa F, Vaupel JW.
BMJ. 2009 Dec 10;339:b5262. Pubmed abstract


Telomere length and mortality: A study of leukocytes in elderly Danish twins
Kimura M, Hjelmborg JvB, Gardner JP, Bathum L, Brimacombe M, Lu X, Christiansen L, Vaupel JW, Aviv A, Christensen K. 
Am J Epidemiol. 2008 Apr 1;167(7):799-806. Pubmed abstract

Offspring's leukocyte telomere length, paternal age, and telomere elongation in sperm
Kimura M, Cherkas LF, Kato BS, Demissie S, Hjelmborg JB, Brimacombe M, Cupples A, Hunkin JL, Gardner JP, Lu X, Cao X, Sastrasinh M, Province MA, Hunt SC, Christensen K, Levy D, Spector TD, Aviv A.
PLoS Genet. 2008 Feb;4(2):e37. Pubmed abstract


Active lifestyle protects against incident low back pain in seniors. A population-based 2-year prospective study of 1387 Danish twins aged 70-100 years
Hartvigsen J, Christensen K. 
Spine. 2007 Jan;32(1):76-81. Pubmed abstract

Candidate gene polymorphisms in the serotonergic pathway: Influence on depression symptomatology in an elderly population
Christiansen L, Tan Q, Iachina M, Bathum L, Kruse TA, McGue M, Christensen K.
Biol Psych. 2007 Jan; 61(2): 223-30. Pubmed abstract

Self-related health and age. A cross-sectional and longitudinal study of 11,000 Danes aged 45-102
Krarup-Andersen F, Christensen K, Frederiksen H.
Scand J Pub Health. 2007;35(2):164-71. Pubmed abstract

Social activity and healthy aging: a study of aging Danish twins
McGue M, Christensen K.
Twin Res Hum Genet. 2007 Apr;10(2):255-65. Pubmed abstract

Retrospective analysis of main and interaction effects in genetic association studies of human complex traits
Tan Q, Christiansen L, Brasch-Andersen C, Zhao JH, Li S, Kruse TA, Christensen K. 
BMC Genet. 2007 Oct; 8:70. Pubmed abstract

Combined genome scans for body stature in 6,602 European twins: evidence for common caucasian Loci
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, Silventionen K, Kaprio J, Palotie A, Peltonen G. GenomEUtwin Project. 
PLoS Genetics. 2007 Jun;3(6):e97. Pubmed abstract

Evidence for the association of the S100beta gene with low cognitive performance and dementia in the elderly
Lambert JC, Ferreira S, Gussekloo J, Christiansen L, Brysbaert G, Slagboom E, Cottel D, Petit T, Hauw JJ, Dekosky ST, Richard F, Berr C, Lendon C, Kamboh MI, Mann D, Christensen K, Westendorp R, Amouyel P.
Molecular Psych. 2007 Sep; 12(9):870-80. Pubmed abstract


Genetic influence on thrombotic risk markers in the elderly – A Danish twin studyBladbjerg EM, DE Maat MP, Christensen K, Bathum L, Jespersen J, Hjelmborg J. 
J Thromb Haemost. 2006 Mar;4(3):599-607. Pubmed abstract

Influence of environmental factors on facial ageing
Rexbye H, Petersen I, Johansen M, Klitkou L, Jeune B, Christensen K. 
Age Ageing. 2006;35:110-115. Pubmed abstract

No association between telomere length and survival among the elderly and oldest-old
Bischoff C, Petersen HC, Graakjaer J, Andersen-Ranberg K, Vaupel JW, Bohr VA, Kølvraa S, Christensen K.
Epidemiol. 2006 Mar;17(2):190-4. Pubmed abstract

The quest for genetic determinants of human longevity: Challenges and insights
Christensen K, Johnson TE, Vaupel JW. 
Nat Rev Genet. 2006 Jun;7(6):436-48. Pubmed abstract

Back and neck pain in seniors - prevalence and impact
Hartvigsen J, Frederiksen H, Christensen K.
Eur Spine J. 2006 Jun;15(6):802-6. Pubmed abstract

Physical and mental function and incident low back pain in seniors. A population-based two-year prospective study of 1387 Danish twins aged 70 to 100 years
Hartvigsen J, Frederiksen H, Christensen K. 
Spine. 2006 Jun 15;31(14):1628-32. Pubmed abstract

A longitudinal study of the effect of GSTT1 and GSTM1 gene copy number on survival
Christiansen L, Brasch-Andersen C, Bathum L, Kruse TA, Christensen K.
Mech Ageing Dev. 2006;127(7):597-599. Pubmed abstract

Possible associations between successful aging and polymorphic markers in the Werner gene region
Sild M, Koca C, Bendixen MH, Frederiksen H, McGue M, Kolvraa S, Christensen K, Nexo B. 
Ann NY Acad Sci. 2006;1067:309-10. Pubmed abstract

Heat-schock protein 70 genes and human longevity: A view from Denmark
Singh R, Kolvraa S, Bross P, Christensen K, Gregersen N, Tan Q, Jensen UB, Eiberg H, Rattan SI.
Ann NY Acad Sci. 2006;1067:301-8. Pubmed abstract

Age trajectories of grip strength: Cross-sectional and longitudinal data among 8,342 Danes aged 46 to 102
Frederiksen H, Hjelmborg J, Mortensen J, McGue M, Vaupel JW, Christensen K.
Ann Epidemiol. 2006 Jul;16(7):554-62. Pubmed abstract


Small effects of genetic factors on neck pain in old age. A study of 2,108 Danish twins 70 years of age and older Hartvigsen J, Pedersen H C, Frederiksen H, Christensen K.
Spine. 2005 Jan;30(2):206-8. Pubmed abstract

Haplotype effects on human survival: Logistic regression models applied to unphased genotype data
Tan Q. Christiansen L, Bathum L, Zhao JH, Vach W, Vaupel JW, Christensen K, Kruse TA.
Ann Hum Genet. 2005 Mar;69:168-75. Pubmed abstract

Genetic dissection of gene expression observed in whole blood samples of elderly Danish twins
Tan Q, Christensen K, Christiansen L, Frederiksen H, Bathum L, Dahlgaard J, Kruse TA.
Hum Genet. 2005 Jul;117(2-3):267-74. Pubmed abstract

Hair loss among elderly men: Etiology and impact on perceived age
Rexbye H, Petersen I, Iachina M, Mortensen J, McGue M, Vaupel JW, Christensen K.
J Gerontol A Biol Sci Med Sci. 2005 Aug;60(8):1077-82. Pubmed abstract

The influence of social relations on mortality in later life: A study on elderly Danish twins
Rasulo D, Christensen K, Tomassini C.
Gerontologist. 2005 Oct;45(5):601-8. Pubmed abstract

Telomere length among the elderly and oldest-old
Bischoff C, Graakjaer J, Petersen HC, Jeune B, Bohr VA, Koelvraa S, Christensen K.
Twin Res Hum Genet. 2005 Oct;8(5):425-32. Pubmed abstract

The heritability of telomere length among the elderly and oldest-old
Bischoff C, Graakjaer J, Petersen HC, Hjelmborg JvB, Vaupel JW, Bohr VA, Koelvraa S, Christensen K.
Twin Res Hum Genet. 2005 Oct;8(5):433-9. Pubmed abstract

Characteristics of middle-aged and elderly women with urinary incontinence
Rohr G, Stovring H, Christensen K, Gaist D, Nybo H, Kragstrup J.
Scand J Prim Health Care. 2005 Dec;23(4):203-8. Pubmed abstract


High concordance for essential tremor in monozygotic twins of old age. Lorenz D, Frederiksen H, Moises H, Kopper F, Deuschl G, Christensen K.
Neurology. 2004 Jan;62(2):208-11. Pubmed abstract

The relative lengths of individual telomeres are defined in the zygote and strictly maintained during life
Graakjaer J, Pascoe L, Der-Sarkissian H, Thomas G, Kølvraa S, Christensen K, Londoño-Vallejo J-A.
Aging Cell. 2004 Jun;3(3):97-102. Pubmed abstract

Modest implication of interleukin-6 promoter polymorphisms in longevity
Christiansen L, Bathum L, Andersen-Ranberg K, Jeune B, Christensen K.
Mech Ageing Dev. 2004 May;125(5):391-5. Pubmed abstract

Association between low self-rated health and heterozygosity for -110A>C polymorphism in the promoter region of HSP70-1 in aged Danish twins
Singh R, Kølvraa S, Bross P, Gregersen N, Andersen Nexø B, Frederiksen H, Christensen K, Rattan SIS.
Biogerontol. 2004;5(3):169-76. Pubmed abstract

A polymorphic marker in the first intron of the Werner gene associates with cognitive function in aged Danish twins
Bendixen MH, Nexø BA, Bohr VA, Frederiksen H, McGue M, Kølvraa S, Christensen K. 
Experiment Gerontol. 2004 Jul;39(7):1101-7. Pubmed abstract

Genetic influence on inflammation variables in the elderly
de Maat MPM, Bladbjerg EM, Hjelmborg JvB, Bathum L, Jespersen J, Christensen K.
Arterioscler Thromb Vasc Biol. 2004 Nov;24(11):2168-73. Pubmed abstract

Apolipoprotein E genotype frequency patterns in aged Danes as revealed by logistic regression models
Tan Q, Christiansen L, Christensen K, Kruse TA, Bathum L.
Eur J Epidemiol. 2004;197):651-6. Pubmed abstract

Evidence for an association of methylene tetrahydrofolate reductase polymorphism C677T and an increased risk of fractures: results from a population-based Danish twin study
Bathum L, Hjelmborg J, Christiansen L, Madsen JS, Skytthe A, Christensen K. 
Osteoporos Int. 2004 Aug;15(8):659-64. Pubmed abstract

Heritability of biochemical kidney markers and relation to survival in the elderly – results from a Danish population-based twin study
Bathum L, Fagnani C, Christiansen L, Christensen K.
Clin Chim Acta. 2004 Nov;349(1-2):143-50. Pubmed abstract

"Looking old for your age": Genetics and mortality
Christensen K, Iachina M, Rexbye H, Tomassini C, Frederiksen H, McGue M, Vaupel JW.
Epidemiol. 2004 Mar;15(2):251-2 (letter).

Udseende svarende til alder – genetik og dødelighed
Christensen K, Iachina M, Rexbye H, Tomassini C, Frederiksen H, McGue M, Vaupel JW.
Ugeskr Laeger. 2004, 166/40:3500-3501(invited parallel publication).

Genetic and environmental influences on urinary incontinence: A Danish population-based twin study of middle-aged and elderly women
Rohr G, Kragstrup J, Gaist D, Christensen K. 
Acta Obstet Gynecol Scand. 2004 Oct; 83(10): 978-82. Pubmed abstract

The catalase -262C/T promoter polymorphism and aging phenotypes
Christiansen L, Petersen HC, Bathum L, Frederiksen H, McGue M, Christensen K. 
J Gerontol A Biol Sci Med Sci. 2004 Sep;59(9):B886-9. Pubmed abstract


The pattern of chromosome-specific variations in telomere length in humans is determined by inherited, telomere-near factors and is maintained throughout life Graakjaer J, Bischoff C, Korsholm L, Holstebroe S, Vach W, Bohr VA, Christensen K, Kølvraa S.
Mech Ageing Dev. 2003 May;124(5):629-40. Pubmed abstract

Cognitive impairment and survival at older ages. Research and Perspective in Longevity
Heiner M, McGue, Vaupel JW, Christensen K.
“Brain and Longevity” Edited by C.E. Finch, J-M. Robine and Y. Christen.
Springer Verlag, 2003 p.131-43. Max Planck Institute abstract

Age- and sex-differences in the validity of questionnaire-based zygosity in twins
Christiansen L, Frederiksen H, Schousboe K, Skytthe A, von Wurmb Schwark N, Christensen K, Kyvik K.
Twin Res. 2003 Aug;6(4):275-8. Pubmed abstract

Logistic regression models for polymorphic and antagonistic pleiotropic gene action on human aging and longevity
Tan Q, Bathum L, Christiansen L, De Benedictis G, Dahlgaard J, Frizner N, Vach W, Vaupel JW, Yashin AI, Christensen K, Kruse TA. 
Ann Hum Genet. 2003 Nov;67(Pt 6):598-607. Pubmed abstract

Angiotensin I – Converting Enzyme (ACE) gene polymorphism in relation to physical performance, cognition and survival. A follow-up study of elderly Danish Twins
Frederiksen H, Gaist D, Bathum L, Andersen K, McGue M, Vaupel JW, Christensen K. 
Ann Epidemiol. 2003 Jan;13(1):57-65. Pubmed abstract

The heritability of depression symptoms in elderly Danish twins: Occasion-specific versus general effects
McGue M, Christensen K.
Behav Genet. 2003 Mar;33(2):83-93. Pubmed abstract

Age trajectories of genetic variance in physical functioning: A longitudinal study of Danish twins aged 70 years and older
Christensen K, Frederiksen H, Vaupel JW, McGue M.
Behav Genet. 2003 Mar;33(2):125-36. Pubmed abstract

Back pain remains a common symptom in old age. A population-based study of 4486 Danish twins aged 70-102 Hartvigsen J, Christensen K, Frederiksen H.
Eur. Spine J. 2003 Oct;12(5):528-34. Pubmed abstract


Genetic contribution to rate-of-change in functional abilities among Danish twins aged 75 years and older
Christensen K, Gaist D, Vaupel JW, McGue M.
Am J Epidemiol. 2002 Jan, 155(2):132-9. Pubmed abstract

Reproduction life history and hip fractures
Petersen HC, Jeune B, Vaupel JW, Christensen K.
Ann Epidemiol. 2002 May;12(4):257-63. Pubmed abstract

Do children of long-lived parents age more successfully?
Frederiksen H, McGue M, Jeune B, Gaist D, Nybo H, Skytthe A, Vaupel JW, Christensen K.
Epidemiol. 2002 May;13(3):334-9. Pubmed abstract

Cognitive impairment and mortality among nonagenarians. The Danish 1905-cohort survey
Andersen K, Nybo H, Gaist D, Petersen HC, McGue M, Jeune B, Vaupel JW, Christensen K.
Dement Geriatr Cogn Disord. 2002;13(3):156-63. Pubmed abstract

Reproduction life history and hip fractures
Petersen HC, Jeune B, Vaupel JW, Christensen K.
Ann Epidemiol. 2002;12:257-263. Max Planck Institute abstract

Analysis of functional abilities for elderly Danish twins using GEE models
Iachina M, Jørgensen B, Christensen K, Iachine I. 
Twin Res. 2002,5(4):289-293. Pubmed abstract

Hand Grip Strength - A phenotype suitable for identifying genetic variants affecting mid- and late- life physical functioning
Frederiksen H, Gaist D, Petersen HC, Hjelmborg J, McGue M, Vaupel JW, Christensen K.
Genet Epidemiol. 2002 Aug, 23(2):110-22. Pubmed abstract

The Danish twin registry: 127 cohorts of twins
Skytthe A, Kyvik K, Holm NV, Vaupel JW, Christensen K.
Twin Res. 2002 Oct;5(5):352-7. Pubmed abstract

The heritability of level and rate-of-change in cognitive functioning in Danish twins aged 70 years and older
McGue M, Christensen K.
Exp Aging Res. 2002 Oct-Dec;28(4):435-51. Pubmed abstract

Frequency and heritability of depression symptomatology in the second half of life: evidence from Danish twins over 45
Johnson W, McGue M, Gaist D, Vaupel JW, Christensen K. 
Psych Med. 2002 Oct; 32(7):1175-85. Pubmed abstract

Har børn af længelevende forældre en bedre alderdom?
Frederiksen H, McGue M, Jeune B, Gaist D, Nybo H, Skytthe AE, Vaupel JW, Christensen K.
Ugeskr Laeger. 2002, 164/43:5027-5031. (invited parallel publication)

The heritability of level and rate-of-change in cognitive functioning in Danish twins aged 70 years and older
McGue M, Christensen K.
Exp Aging Res. 2002;28(4):435-51.



Biological Material in Household Surveys: The interface between epidemiology and genetics
Christensen K.
In: Finch CE, Vaupel JW and Kinsella K (eds.). “Cells and Surveys. Should Biological Measures Be Included In Social Science Research?” Commission on Behavioral and Social Sciences and Education, National Research Council. Washington DC,
National Academy Press. 2001: 42-63. National Academy Press

Evidence for a substantial genetic influence on biochemical liver function test: results from a population based Danish twin study
Bathum L, Pedersen HC, Rosholm JU, Petersen PH, Vaupel JW, Christensen K.
Clin Chem. 2001 Jan;47(1):81-7. Pubmed abstract

Association of mutations in the hemochromatosis gene with shorter life expectancy
Bathum L, Christiansen L, Nybo H, Andersen-Ranberg K, Gaist D, Jeune B, Petersen NE, Vaupel JW, Christensen K.
Arch Intern Med. 2001 Nov;161(20):2441-4. Pubmed abstract

The heritability of cognitive functioning in very old adults: Evidence from Danish twins aged 75 and older
McGue M, Christensen K.
Psychol Aging. 2001 Jun;16(2):272-80. Pubmed abstract

Genetic and environmental influences on self-reported reduced hearing among the elderly and oldest-old
Christensen K, Frederiksen H, Hoffman HJ.
J Am Geriatr Soc. 2001 Nov;49(11):1512-7. Pubmed abstract

Born together - die together. Live together - die together. The role of the partner and of the co-twin on longevity at very old ages
Tomassini C, Billari FC, Rosina A, Christensen K. 
Genus. 2001;Vol. LVII (3-4): 63-82. Max Planck Institute abstract

“The X chromosome and the female survival advantage: An example of the intersection between genetics, epidemiology and demography”
Christensen K, Ørstavik K-H, Vaupel JW.
In: Population Health and Aging: Strengthening the Dialogue Between Epidemiology and Demography,
Ann NY Acad Sci. 2001;954:175-83. Max Planck Institute abstract


X-linked genetic factors regulate hematopoietic stem-cell kinetics in femalesChristensen K, Kristiansen M, Hagen-Larsen H, Skytthe A, Bathum L, Jeune B, Andersen-Ranberg K, Vaupel JW, Ørstavik KH.
Blood. 2000 Apr 1;95(7):2449-51. Pubmed abstract

Genetic and environmental influences on functional abilities among Danish twins aged 75 years and older
Christensen K, McGue M, Yashin AI, Iachine IA, Holm NV, Vaupel JW.
J Gerontol A Biol Sci Med Sci. 2000 Aug;55(8):M446-52. Pubmed abstract


Declining physical abilities with age: A cross-sectional study of older twins and centenarians in Denmark Andersen-Ranberg K, Christensen K, Jeune B, Skytthe A, Vasegaard L, Vaupel JW.
Age Ageing. 1999 Jul;28(4):373-7. Pubmed abstract

Telomere fluorescence measurements in granolocytes and T lymphocyte subsets indicate a high turnover of hematopoietic stem cells and memory T cells in early childhood
Rufer N, Brümmendorf TH, Kolvraa S, Bischoff C, Christensen K, Wadsworth L, Schulzer M, Lansdorf PM.
J Exp Med. 1999 Jul 19;190(2):157-67. Pubmed abstract

A Danish population-based twin study on general health in the elderly
Christensen K, Holm NV, McGue M, Corder L, Vaupel JW.
J Aging Health. 1999 Feb;11(1):49-64. Pubmed abstract


A tooth per child?
(Research letter)Christensen K, Gaist D, Jeune B, Vaupel JW.
Lancet. 1998 Jul 18;352(9123):204. Max Planck Institute

The genetic component of discrete disability traits: An analysis using liability models with age-dependent thresholds
Yashin AI, Iachine IA, Christensen K, Holm NV, Vaupel JW. 
Behav Genet. 1998 May;28(3):207-14. Pubmed abstract


Genetic and environmental contributions to depression symptomatology: Evidence from Danish twins 75 years of age and older
McGue M, Christensen K.J Abnorm Psychol. 1997 Aug;106(3):439-48. Pubmed abstract


Alzheimer’s disease in twins
[Letter with original data] Christensen K, Holm NV, Vaupel JW.
Lancet. 1996 Apr 6;347(9006):976.


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