title: Value of flow technique for double-contrast examination of the stomach.
mesh_terms: D001466:Barium Sulfate; D003287:Contrast Media; D005471:Fluoroscopy / Q000379:methods; D006801:Humans; D011187:Posture; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate