title: What use is barium?
authors.forename: K C
authors.initials: KC
authors.lastname: Simpkins
mesh_terms: D001466:Barium Sulfate; D004724:Endoscopy; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography
chemical_list: D001466:Barium Sulfate