title: The epidemiology of IBD: a lot of data but little knowledge. How shall we proceed?
authors.affiliation: Clinical Epidemiology Unit, Department of Medicine, Karolinska Hospital, Stockholm, Sweden. ekbom@mep.ki.se
authors.forename: Anders
authors.initials: A
authors.lastname: Ekbom
mesh_terms: D001062:Appendectomy / Q000706:statistics & numerical data; D003093:Colitis, Ulcerative / Q000453:epidemiology; D003424:Crohn Disease / Q000453:epidemiology; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology* / Q000208:ethnology; D012907:Smoking; D012959:Socioeconomic Factors