Hoofbeats of a zebra in the emergency room.
D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D007415:Intestinal Obstruction / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology*; D007579:Jejunal Diseases / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology*; D008297:Male