title: Gallstone ileus: CT findings.
authors.forename: C S
authors.initials: CS
authors.lastname: Keeling-Roberts
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography