Recurrent upper gastrointestinal hemorrhage in peptic ulcer.
D000328:Adult; D000368:Aged; D000375:Aging; D005260:Female; D005431:Florida; D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications*; D012723:Sex