Chronic inflammatory bowel disease in the young.
D000367:Age Factors; D003092:Colitis / Q000175:diagnosis* / Q000628:therapy; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000628:therapy; D003424:Crohn Disease / Q000175:diagnosis* / Q000453:epidemiology / Q000601:surgery / Q000628:therapy; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D011379:Prognosis