title: Voice change after barium enema: a clinical sign of extraperitoneal colon perforation.
mesh_terms: D001466:Barium Sulfate; D003106:Colon / Q000293:injuries*; D004646:Emphysema / Q000209:etiology*; D004733:Enema / Q000009:adverse effects*; D006801:Humans; D007416:Intestinal Perforation / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013352:Subcutaneous Emphysema / Q000209:etiology*; D014832:Voice Disorders / Q000209:etiology*
chemical_list: D001466:Barium Sulfate