[Gallstone ileus and internal biliary fistula].
D001658:Biliary Fistula / Q000209:etiology*; D002769:Cholelithiasis / Q000150:complications*; D042882:Gallstones; D006801:Humans; D045823:Ileus; D007415:Intestinal Obstruction / Q000209:etiology*
BILIARY FISTULA/etiology; CHOLELITHIASIS/complications; INTESTINAL OBSTRUCTION/etiology