title: Biliary ileus.  Radiological study apropos of 21 cases.
mesh_terms: D002769:Cholelithiasis / Q000150:complications / Q000000981:diagnostic imaging*; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography
vernacular_title: Lleos biliares. Estudio radiológico a propósito de 21 casos