[Elderly patients with peptic ulcer--a report of 212 cases].
D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications* / Q000209:etiology / Q000628:therapy; D010438:Peptic Ulcer Hemorrhage / Q000601:surgery