title: The epidemiology of inflammatory bowel disease.
mesh_terms: D003093:Colitis, Ulcerative / Q000453:epidemiology*; D003424:Crohn Disease / Q000453:epidemiology* / Q000235:genetics; D004032:Diet; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D011159:Population Surveillance; D011602:Psychophysiologic Disorders; D012959:Socioeconomic Factors; D014481:United States