title: [Investigation of barium sulfate for double contrast examination of the stomach (author's transl)].
mesh_terms: D001466:Barium Sulfate; D003287:Contrast Media; D006801:Humans; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate