Gall-stone obstruction of the sigmoid colon with particular reference to aetiology.
D041761:Cholecystolithiasis; D002769:Cholelithiasis / Q000150:complications*; D012809:Colon, Sigmoid; D042882:Gallstones; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*
CHOLELITHIASIS/complications; INTESTINAL OBSTRUCTION/etiology