title: Extraperitoneal barium extravasation, a complication of barium enema.
mesh_terms: D000818:Animals; D001466:Barium Sulfate / Q000009:adverse effects*; D002642:Chick Embryo; D004733:Enema / Q000009:adverse effects*; D007416:Intestinal Perforation / Q000209:etiology*; D010529:Peritoneal Cavity; D012007:Rectum / Q000293:injuries*
chemical_list: D001466:Barium Sulfate