Crohn's disease in Norway--clinical features.
D000006:Abdomen, Acute / Q000209:etiology; D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D003424:Crohn Disease / Q000175:diagnosis* / Q000188:drug therapy* / Q000453:epidemiology / Q000235:genetics / Q000601:surgery*; D003967:Diarrhea / Q000209:etiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology; D007415:Intestinal Obstruction / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009664:Norway; D012723:Sex