title: Gastro-intestinal studies on the field x-ray machine.
authors.forename: T F
authors.initials: TF
authors.lastname: LEIGH
mesh_terms: D041981:Gastrointestinal Tract / Q000000981:diagnostic imaging*; D008887:Military Medicine / Q000000981:diagnostic imaging*; D011859:Radiography; D014965:X-Rays
keywords: GASTROINTESTINAL TRACT/roentgenography; MILITARY MEDICINE/roentgenography