title: Epidemiology of inflammatory bowel disease.
authors.affiliation: Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden.
authors.forename: A
authors.initials: A
authors.lastname: Ekbom
mesh_terms: D017677:Age Distribution; D015988:Cohort Effect; D003093:Colitis, Ulcerative / Q000453:epidemiology / Q000208:ethnology / Q000276:immunology; D003276:Contraceptives, Oral / Q000009:adverse effects; D003424:Crohn Disease / Q000453:epidemiology / Q000208:ethnology / Q000276:immunology; D004032:Diet; D005060:Europe / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology* / Q000208:ethnology / Q000276:immunology; D008297:Male; D012307:Risk Factors; D017678:Sex Distribution; D012907:Smoking
chemical_list: D003276:Contraceptives, Oral