Ulcerative colitis in elderly patients.
D000367:Age Factors; D000368:Aged; D003093:Colitis, Ulcerative / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology* / Q000401:mortality; D003106:Colon; D004106:Dilatation; D004739:England; D005260:Female; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D012189:Retrospective Studies