Acute peptic ulcer in the elderly: similarity to stress ulcer.
D000328:Adult; D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000473:pathology; D010438:Peptic Ulcer Hemorrhage / Q000145:classification* / Q000209:etiology / Q000601:surgery; D013312:Stress, Physiological