The acute abdomen in the elderly.
D000006:Abdomen, Acute / Q000175:diagnosis* / Q000601:surgery; D000368:Aged; D003248:Constipation / Q000175:diagnosis; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000175:diagnosis; D008297:Male; D010538:Peritonitis / Q000175:diagnosis; D010808:Physical Examination