Ralf Kuja-Halkola

Ralf Kuja-Halkola

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Ralf Kuja-Halkola

Ralf Kuja-Halkola

Publications by authors named "Ralf Kuja-Halkola"

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Association of Parental Substance Use Disorder with Offspring Cognition: A Population Family-based Study.

Addiction 2019 Sep 10. Epub 2019 Sep 10.

Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana.

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http://dx.doi.org/10.1111/add.14813DOI Listing
September 2019

Genetic and Environmental Influences on the Correlations between Traits of Metabolic Syndrome and Chronic Kidney Disease.

Clin J Am Soc Nephrol 2019 Sep 10. Epub 2019 Sep 10.

Department of Clinical Science and Education, Karolinska Institute; and.

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http://dx.doi.org/10.2215/CJN.11971018DOI Listing
September 2019

Attention-deficit/hyperactivity disorder and clinically diagnosed obesity in adolescence and young adulthood: a register-based study in Sweden.

Psychol Med 2019 Aug 17;49(11):1841-1849. Epub 2018 Sep 17.

Department of Medical Epidemiology and Biostatistics,Karolinska Institutet,Stockholm,Sweden.

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http://dx.doi.org/10.1017/S0033291718002532DOI Listing
August 2019

A population-based heritability estimate of bipolar disorder - In a Swedish twin sample.

Psychiatry Res 2019 Aug 12;278:180-187. Epub 2019 Jun 12.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.psychres.2019.06.010DOI Listing
August 2019

Tobacco and type 2 diabetes: is the association explained by genetic factors?

Int J Epidemiol 2019 Jun;48(3):926-933

Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1093/ije/dyz002DOI Listing
June 2019

Familial risk and heritability of diagnosed borderline personality disorder: a register study of the Swedish population.

Mol Psychiatry 2019 Jun 3. Epub 2019 Jun 3.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1038/s41380-019-0442-0DOI Listing
June 2019

Higher body mass index is associated with incident diabetes and chronic kidney disease independent of genetic confounding.

Kidney Int 2019 May 27;95(5):1225-1233. Epub 2019 Feb 27.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.kint.2018.12.019DOI Listing
May 2019

Attention-Deficit/Hyperactivity Disorder, School Performance, and Effect of Medication.

J Am Acad Child Adolesc Psychiatry 2019 Apr 2;58(4):423-432. Epub 2019 Feb 2.

Karolinska Institutet, Stockholm, Sweden; School of Medical Sciences, Örebro University, Örebro, Sweden.

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http://dx.doi.org/10.1016/j.jaac.2018.11.014DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6541488PMC
April 2019

Sex Differences Along the Autism Continuum: A Twin Study of Brain Structure.

Cereb Cortex 2019 Mar;29(3):1342-1350

Karolinska Institutet Center of Neurodevelopmental Disorders (KIND), Centre for Psychiatry Research, Department of Women's and Children's Health, Karolinska Institutet, and Stockholm Health Care Services, Stockholm County Council, CAP Research Centre, Sweden.

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https://academic.oup.com/cercor/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/cercor/bhy303DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6373677PMC
March 2019

Specificity in Etiology of Subtypes of Bipolar Disorder: Evidence From a Swedish Population-Based Family Study.

Biol Psychiatry 2018 12 20;84(11):810-816. Epub 2017 Nov 20.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.biopsych.2017.11.014DOI Listing
December 2018

Metabolic and Cardiovascular Complications in Obsessive-Compulsive Disorder: A Total Population, Sibling Comparison Study With Long-Term Follow-up.

Biol Psychiatry 2018 09 21;84(5):324-331. Epub 2017 Dec 21.

Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.biopsych.2017.12.003DOI Listing
September 2018

The role of general anesthesia on traits of neurodevelopmental disorders in a Swedish cohort of twins.

J Child Psychol Psychiatry 2018 09 21;59(9):966-972. Epub 2018 Feb 21.

Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.

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http://dx.doi.org/10.1111/jcpp.12885DOI Listing
September 2018

2D:4D Ratio in Neurodevelopmental Disorders: A Twin Study.

J Autism Dev Disord 2018 Sep;48(9):3244-3252

Division of Neuropsychiatry, Department of Women's and Children's Health, Center of Neurodevelopmental Disorders (KIND), Karolinska Institutet & Child and Adolescent Psychiatry, Center for Psychiatry Research, Stockholm County Council, Gävlegatan 22B, 113 30, Stockholm, Sweden.

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http://dx.doi.org/10.1007/s10803-018-3588-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6096789PMC
September 2018

Childhood body mass index and development of eating disorder traits across adolescence.

Eur Eat Disord Rev 2018 09 21;26(5):462-471. Epub 2018 Jun 21.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://doi.wiley.com/10.1002/erv.2612
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http://dx.doi.org/10.1002/erv.2612DOI Listing
September 2018

Genetic and Environmental Contributions to the Covariation Between Cardiometabolic Traits.

J Am Heart Assoc 2018 04 18;7(9). Epub 2018 Apr 18.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1161/JAHA.117.007806DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6015288PMC
April 2018

Familial Liability to Epilepsy and Attention-Deficit/Hyperactivity Disorder: A Nationwide Cohort Study.

Biol Psychiatry 2018 Jan 12;83(2):173-180. Epub 2017 Aug 12.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; School of Medical Sciences, Örebro University, Örebro, Sweden.

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http://dx.doi.org/10.1016/j.biopsych.2017.08.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5723535PMC
January 2018

Frailty index as a predictor of all-cause and cause-specific mortality in a Swedish population-based cohort.

Aging (Albany NY) 2017 12;9(12):2629-2646

The Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.18632/aging.101352DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5764396PMC
December 2017

Polycystic ovary syndrome, personality, and depression: A twin study.

Psychoneuroendocrinology 2017 Nov 10;85:63-68. Epub 2017 Aug 10.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Nobels väg 12A, 171 77, Stockholm, Sweden; Institute of Neuroscience and Physiology, University of Gothenburg, Medicinaregatan 11, 413 45, Gothenburg, Sweden.

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http://dx.doi.org/10.1016/j.psyneuen.2017.08.007DOI Listing
November 2017

Birth weight, sex, and celiac disease: a nationwide twin study.

Clin Epidemiol 2017 10;9:567-577. Epub 2017 Nov 10.

Department Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.2147/CLEP.S149181DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5689064PMC
November 2017

Minor physical anomalies in neurodevelopmental disorders: a twin study.

Child Adolesc Psychiatry Ment Health 2017 28;11:57. Epub 2017 Nov 28.

Department of Women's and Children's Health, Center of Neurodevelopmental Disorders (KIND), Karolinska Institutet & Child and Adolescent Psychiatry, Center for Psychiatry Research, Stockholm County Council, Gävlegatan 22B, 113 30 Stockholm, Sweden.

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http://dx.doi.org/10.1186/s13034-017-0195-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5706157PMC
November 2017

Risk of being convicted of theft and other crimes in anorexia nervosa and bulimia nervosa: A prospective cohort study in a Swedish female population.

Int J Eat Disord 2017 09 9;50(9):1095-1103. Epub 2017 Aug 9.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1002/eat.22743DOI Listing
September 2017

The Heritability of Autism Spectrum Disorder.

JAMA 2017 09;318(12):1182-1184

Department of Psychiatry, Ichan School of Medicine at Mount Sinai, New York, New York.

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http://dx.doi.org/10.1001/jama.2017.12141DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818813PMC
September 2017

Predictive validity of parent- and self-rated ADHD symptoms in adolescence on adverse socioeconomic and health outcomes.

Eur Child Adolesc Psychiatry 2017 Jul 10;26(7):857-867. Epub 2017 Feb 10.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1007/s00787-017-0957-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5489641PMC
July 2017

Shared familial risk factors between attention-deficit/hyperactivity disorder and overweight/obesity - a population-based familial coaggregation study in Sweden.

J Child Psychol Psychiatry 2017 Jun 25;58(6):711-718. Epub 2017 Jan 25.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1111/jcpp.12686DOI Listing
June 2017

Estimating Heritability of Prostate Cancer-Specific Survival Using Population-Based Registers.

Prostate 2017 Jun 1;77(8):900-907. Epub 2017 Mar 1.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1002/pros.23344DOI Listing
June 2017

Association Between Deliberate Self-harm and Violent Criminality.

JAMA Psychiatry 2017 06;74(6):615-621

Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1001/jamapsychiatry.2017.0338DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5539838PMC
June 2017

Familial aggregation of attention-deficit/hyperactivity disorder.

J Child Psychol Psychiatry 2017 03 22;58(3):231-239. Epub 2016 Aug 22.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://doi.wiley.com/10.1111/jcpp.12616
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http://dx.doi.org/10.1111/jcpp.12616DOI Listing
March 2017

Reproductive and Lifestyle Factors Associated with Endometriosis in a Large Cross-Sectional Population Sample.

J Womens Health (Larchmt) 2017 02 15;26(2):152-158. Epub 2016 Sep 15.

1 Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet .

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http://dx.doi.org/10.1089/jwh.2016.5795DOI Listing
February 2017

Reproductive and Lifestyle Factors Associated with Endometriosis in a Large Cross-Sectional Population Sample.

J Womens Health (Larchmt) 2017 02 15;26(2):152-158. Epub 2016 Sep 15.

1 Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet .

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http://dx.doi.org/10.1089/jwh.2016.5795DOI Listing
February 2017

The Familial Co-Aggregation of Attention-Deficit/Hyperactivity Disorder and Intellectual Disability: A Register-Based Family Study.

J Am Acad Child Adolesc Psychiatry 2017 Feb 10;56(2):167-174.e1. Epub 2016 Dec 10.

School of Medical Sciences, Örebro University, Örebro, Sweden.

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http://dx.doi.org/10.1016/j.jaac.2016.11.011DOI Listing
February 2017

Heritability of non-HLA genetics in coeliac disease: a population-based study in 107 000 twins.

Gut 2016 11 20;65(11):1793-1798. Epub 2016 May 20.

Department Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1136/gutjnl-2016-311713DOI Listing
November 2016

Carryover Effects in Sibling Comparison Designs.

Epidemiology 2016 11;27(6):852-8

From the aDepartment of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; bClinical Epidemiology Unit, Karolinska Institutet, Stockholm, Sweden; and cDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA.

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http://pdfs.journals.lww.com/epidem/2016/11000/Carryover_Eff
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http://dx.doi.org/10.1097/EDE.0000000000000541DOI Listing
November 2016

Association of Perinatal Risk Factors With Obsessive-Compulsive Disorder: A Population-Based Birth Cohort, Sibling Control Study.

JAMA Psychiatry 2016 Nov;73(11):1135-1144

Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden3Stockholm Health Care Services, Stockholm County Council, Stockholm, Sweden.

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http://archpsyc.jamanetwork.com/article.aspx?doi=10.1001/jam
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http://dx.doi.org/10.1001/jamapsychiatry.2016.2095DOI Listing
November 2016

Cognitive ability and risk for substance misuse in men: genetic and environmental correlations in a longitudinal nation-wide family study.

Addiction 2016 10 29;111(10):1814-22. Epub 2016 May 29.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1111/add.13440DOI Listing
October 2016

Relative Immaturity in Childhood and Attention-Deficit/Hyperactivity Disorder Symptoms From Childhood to Early Adulthood: Exploring Genetic and Environmental Overlap Across Development.

J Am Acad Child Adolesc Psychiatry 2016 10 3;55(10):886-95. Epub 2016 Aug 3.

Karolinska Institutet, Stockholm; School of Medical Sciences, Örebro University, Örebro, Sweden.

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http://dx.doi.org/10.1016/j.jaac.2016.06.014DOI Listing
October 2016

Cognitive ability and risk for substance misuse in men: genetic and environmental correlations in a longitudinal nation-wide family study.

Addiction 2016 10 29;111(10):1814-22. Epub 2016 May 29.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1111/add.13440DOI Listing
October 2016

Heritability of Perinatal Depression and Genetic Overlap With Nonperinatal Depression.

Am J Psychiatry 2016 Feb 4;173(2):158-65. Epub 2015 Sep 4.

From the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm; the Departments of Psychiatry and Genetics, University of North Carolina School of Medicine, Chapel Hill; and the Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.

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http://dl.umsu.ac.ir/bitstream/Hannan/81012/1/2016%20AJP%20V
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http://dx.doi.org/10.1176/appi.ajp.2015.15010085DOI Listing
February 2016

Heritability of endometriosis.

Fertil Steril 2015 Oct 22;104(4):947-952. Epub 2015 Jul 22.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.fertnstert.2015.06.035DOI Listing
October 2015

A Longitudinal Study of Resting Heart Rate and Violent Criminality in More Than 700 000 Men.

JAMA Psychiatry 2015 Oct;72(10):971-8

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1001/jamapsychiatry.2015.1165DOI Listing
October 2015

Genetic and environmental contributions to the association between attention deficit hyperactivity disorder and alcohol dependence in adulthood: A large population-based twin study.

Am J Med Genet B Neuropsychiatr Genet 2015 Sep 25;168(6):414-422. Epub 2015 Feb 25.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1002/ajmg.b.32300DOI Listing
September 2015

Heritability of attention-deficit hyperactivity disorder in adults.

Am J Med Genet B Neuropsychiatr Genet 2015 Sep 30;168(6):406-413. Epub 2015 Jun 30.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1002/ajmg.b.32335DOI Listing
September 2015

Codevelopment of ADHD and externalizing behavior from childhood to adulthood.

J Child Psychol Psychiatry 2015 Jun 10;56(6):640-7. Epub 2014 Oct 10.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1111/jcpp.12340DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4393334PMC
June 2015

Bipolar disorder and its relation to major psychiatric disorders: a family-based study in the Swedish population.

Bipolar Disord 2015 Mar 13;17(2):184-93. Epub 2014 Aug 13.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm.

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http://dx.doi.org/10.1111/bdi.12242DOI Listing
March 2015

Paternal antisocial behavior and sons' cognitive ability: a population-based quasiexperimental study.

Psychol Sci 2015 Jan 25;26(1):78-88. Epub 2014 Nov 25.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet.

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http://dx.doi.org/10.1177/0956797614555726DOI Listing
January 2015

Maternal age at childbirth and risk for ADHD in offspring: a population-based cohort study.

Int J Epidemiol 2014 Dec 29;43(6):1815-24. Epub 2014 Oct 29.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Department of Psychiatry, University of Oxford, Oxford, UK, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA and Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.

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http://dx.doi.org/10.1093/ije/dyu204DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4276066PMC
December 2014

Practice does not make perfect: no causal effect of music practice on music ability.

Psychol Sci 2014 Sep 30;25(9):1795-803. Epub 2014 Jul 30.

Department of Neuroscience, Karolinska Institutet.

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http://dx.doi.org/10.1177/0956797614541990DOI Listing
September 2014

Maternal smoking during pregnancy and adverse outcomes in offspring: genetic and environmental sources of covariance.

Behav Genet 2014 Sep 13;44(5):456-67. Epub 2014 Aug 13.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, P.O. Box 281, 171 77, Stockholm, Sweden,

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http://dx.doi.org/10.1007/s10519-014-9668-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4194213PMC
September 2014

Reply: Shared environmental effects on multiple sclerosis susceptibility: conflicting evidence from twin studies.

Brain 2014 Jul 21;137(Pt 7):e288. Epub 2014 Apr 21.

1 Clinical Neuroscience, Karolinska Institutet, Sweden.

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http://dx.doi.org/10.1093/brain/awu099DOI Listing
July 2014

Association of height and violent criminality: results from a Swedish total population study.

Int J Epidemiol 2014 Jun 22;43(3):835-42. Epub 2014 Jan 22.

Department of Criminology, Stockholm University, Stockholm, Sweden, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Swedish Prison and Probation Services, Research and Development Unit and Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1093/ije/dyt274DOI Listing
June 2014

The familial risk of autism.

JAMA 2014 May;311(17):1770-7

Department of Psychiatry, Ichan School of Medicine at Mount Sinai, New York, New York4Department of Preventive Medicine, Ichan School of Medicine at Mount Sinai, New York, New York5Seaver Autism Center and Friedman Brain Institute, Ichan School of Medicin.

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http://jama.jamanetwork.com/article.aspx?doi=10.1001/jama.20
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http://dx.doi.org/10.1001/jama.2014.4144DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4381277PMC
May 2014

Perfect genetic correlation between number of offspring and grandoffspring in an industrialized human population.

Proc Natl Acad Sci U S A 2014 Jan 6;111(3):1032-6. Epub 2014 Jan 6.

School of Psychology, University of Queensland, St. Lucia, Brisbane, QLD 4029, Australia.

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http://dx.doi.org/10.1073/pnas.1310058111DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3903217PMC
January 2014

Sibling comparison designs: bias from non-shared confounders and measurement error.

Epidemiology 2012 Sep;23(5):713-20

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1097/EDE.0b013e31825fa230DOI Listing
September 2012

Advancing paternal age and offspring violent offending: a sibling-comparison study.

Dev Psychopathol 2012 Aug;24(3):739-53

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, P.O. Box 281, Stockholm 171 77, Sweden.

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http://dx.doi.org/10.1017/S095457941200034XDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3662004PMC
August 2012

Prenatal smoking exposure and offspring stress coping in late adolescence: no causal link.

Int J Epidemiol 2010 Dec 17;39(6):1531-40. Epub 2010 Aug 17.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

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http://dx.doi.org/10.1093/ije/dyq133DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3031341PMC
December 2010