| # | Title | Journal | Year | Citations |
|---|
|
| 1 | The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) Statement | PLoS Medicine | 2015 | 3,168 |
| 2 | Plasma HDL cholesterol and risk of myocardial infarction: a mendelian randomisation study | Lancet, The | 2012 | 1,992 |
| 3 | Maternal age and fetal loss: population based register linkage study | BMJ: British Medical Journal | 2000 | 1,297 |
| 4 | Modeling Linkage Disequilibrium Increases Accuracy of Polygenic Risk Scores | American Journal of Human Genetics | 2015 | 1,155 |
| 5 | Effects of long-term exposure to air pollution on natural-cause mortality: an analysis of 22 European cohorts within the multicentre ESCAPE project | Lancet, The | 2014 | 1,119 |
| 6 | Dietary fibre in food and protection against colorectal cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC): an observational study | Lancet, The | 2003 | 995 |
| 7 | The nature of nurture: Effects of parental genotypes | Science | 2018 | 768 |
| 8 | Prenatal and Postnatal Prevalence of Klinefelter Syndrome: A National Registry Study | Journal of Clinical Endocrinology and Metabolism | 2003 | 746 |
| 9 | Maternal Infection Requiring Hospitalization During Pregnancy and Autism Spectrum Disorders | Journal of Autism and Developmental Disorders | 2010 | 743 |
| 10 | Meat, Fish, and Colorectal Cancer Risk: The European Prospective Investigation into Cancer and Nutrition | Journal of the National Cancer Institute | 2005 | 721 |
| 11 | The Changing Epidemiology of Autism Spectrum Disorders | Annual Review of Public Health | 2017 | 714 |
| 12 | Relation between semen quality and fertility: a population-based study of 430 first-pregnancy planners | Lancet, The | 1998 | 704 |
| 13 | Complications after cardiac implantable electronic device implantations: an analysis of a complete, nationwide cohort in Denmark | European Heart Journal | 2014 | 682 |
| 14 | Risk Factors for Autism: Perinatal Factors, Parental Psychiatric History, and Socioeconomic Status | American Journal of Epidemiology | 2005 | 594 |
| 15 | Genome-wide meta-analysis identifies 11 new loci for anthropometric traits and provides insights into genetic architecture | Nature Genetics | 2013 | 593 |
| 16 | The Risk of a Diagnosis of Cancer after Primary Deep Venous Thrombosis or Pulmonary Embolism | New England Journal of Medicine | 1998 | 575 |
| 17 | Perfluorinated Chemicals and Fetal Growth: A Study within the Danish National Birth Cohort | Environmental Health Perspectives | 2007 | 540 |
| 18 | Combined associations of prepregnancy body mass index and gestational weight gain with the outcome of pregnancy | American Journal of Clinical Nutrition | 2008 | 534 |
| 19 | Genome-wide association analysis of more than 120,000 individuals identifies 15 new susceptibility loci for breast cancer | Nature Genetics | 2015 | 528 |
| 20 | Large-scale association analysis identifies new lung cancer susceptibility loci and heterogeneity in genetic susceptibility across histological subtypes | Nature Genetics | 2017 | 523 |
| 21 | A genome-wide association study identifies CDHR3 as a susceptibility locus for early childhood asthma with severe exacerbations | Nature Genetics | 2014 | 507 |
| 22 | Does Low Participation in Cohort Studies Induce Bias? | Epidemiology | 2006 | 501 |
| 23 | Long term exposure to ambient air pollution and incidence of acute coronary events: prospective cohort study and meta-analysis in 11 European cohorts from the ESCAPE Project | BMJ, The | 2014 | 500 |
| 24 | Autoimmune Diseases and Severe Infections as Risk Factors for Schizophrenia: A 30-Year Population-Based Register Study | American Journal of Psychiatry | 2011 | 478 |
| 25 | Randomised controlled trial of effect of fish-oil supplementation on pregnancy duration | Lancet, The | 1992 | 453 |
| 26 | European Society of Clinical Microbiology and Infectious Diseases: update of the diagnostic guidance document for Clostridium difficile infection | Clinical Microbiology and Infection | 2016 | 445 |
| 27 | Differences in the prospective association between individual plasma phospholipid saturated fatty acids and incident type 2 diabetes: the EPIC-InterAct case-cohort study | Lancet Diabetes and Endocrinology,the | 2014 | 443 |
| 28 | Subfecundity in overweight and obese couples | Human Reproduction | 2007 | 421 |
| 29 | Mortality in parents after death of a child in Denmark: a nationwide follow-up study | Lancet, The | 2003 | 415 |
| 30 | Elevated fetal steroidogenic activity in autism | Molecular Psychiatry | 2015 | 404 |
| 31 | Association Between Telomere Length and Risk of Cancer and Non-Neoplastic Diseases | JAMA Oncology | 2017 | 400 |
| 32 | Hereditary haemorrhagic telangiectasia: a population-based study of prevalence and mortality in Danish patients | Journal of Internal Medicine | 1999 | 372 |
| 33 | Association of Family History of Autoimmune Diseases and Autism Spectrum Disorders | Pediatrics | 2009 | 360 |
| 34 | Plasma antibodies to oral bacteria and risk of pancreatic cancer in a large European prospective cohort study | Gut | 2013 | 348 |
| 35 | Association between pre-diagnostic circulating vitamin D concentration and risk of colorectal cancer in European populations:a nested case-control study | BMJ: British Medical Journal | 2010 | 347 |
| 36 | Meat consumption and mortality - results from the European Prospective Investigation into Cancer and Nutrition | BMC Medicine | 2013 | 338 |
| 37 | Self controlled case series methods: an alternative to standard epidemiological study designs | BMJ, The | 2016 | 338 |
| 38 | Long-term risk of epilepsy after traumatic brain injury in children and young adults: a population-based cohort study | Lancet, The | 2009 | 334 |
| 39 | Dietary polyphenol intake in Europe: the European Prospective Investigation into Cancer and Nutrition (EPIC) study | European Journal of Nutrition | 2016 | 334 |
| 40 | Explaining the Increase in the Prevalence of Autism Spectrum Disorders | JAMA Pediatrics | 2015 | 324 |
| 41 | Association Between Low-Density Lipoprotein Cholesterol–Lowering Genetic Variants and Risk of Type 2 Diabetes | JAMA - Journal of the American Medical Association | 2016 | 324 |
| 42 | Adrenal Insufficiency in Corticosteroids Use: Systematic Review and Meta-Analysis | Journal of Clinical Endocrinology and Metabolism | 2015 | 323 |
| 43 | Autism After Infection, Febrile Episodes, and Antibiotic Use During Pregnancy: An Exploratory Study | Pediatrics | 2012 | 318 |
| 44 | Screening for abdominal aortic aneurysms: single centre randomised controlled trial | BMJ: British Medical Journal | 2005 | 309 |
| 45 | Acetaminophen Use During Pregnancy, Behavioral Problems, and Hyperkinetic Disorders | JAMA Pediatrics | 2014 | 305 |
| 46 | Vitamin D and Calcium Supplementation Prevents Osteoporotic Fractures in Elderly Community Dwelling Residents: A Pragmatic Population-Based 3-Year Intervention Study | Journal of Bone and Mineral Research | 2004 | 304 |
| 47 | Prepregnancy Obesity and Fetal Death | Obstetrics and Gynecology | 2005 | 304 |
| 48 | Infertility, infertility treatment, and congenital malformations: Danish national birth cohort | BMJ: British Medical Journal | 2006 | 299 |
| 49 | TreeFam: 2008 Update | Nucleic Acids Research | 2007 | 299 |
| 50 | Prenatal Exposure to Perfluorooctanoate and Risk of Overweight at 20 Years of Age: A Prospective Cohort Study | Environmental Health Perspectives | 2012 | 299 |
