Acute abdominal problems in the aged.
D000006:Abdomen, Acute / Q000209:etiology*; D000368:Aged; D001064:Appendicitis / Q000601:surgery*; D004239:Diverticulitis, Colonic / Q000601:surgery*; D005260:Female; D005705:Gallbladder Diseases / Q000601:surgery*; D006801:Humans; D007415:Intestinal Obstruction / Q000601:surgery*; D008297:Male; D010437:Peptic Ulcer / Q000601:surgery*; D011182:Postoperative Care; D011300:Preoperative Care