Occult surgical emergencies in the elderly.
D000368:Aged; D003645:Death, Sudden; D004630:Emergencies; D005260:Female; D005734:Gangrene / Q000401:mortality; D006547:Hernia / Q000150:complications; D006801:Humans; D007415:Intestinal Obstruction / Q000401:mortality*; D007416:Intestinal Perforation / Q000401:mortality*; D008297:Male