title: Double-contrast gastrography.
mesh_terms: D001466:Barium Sulfate; D002254:Carbonates; D006801:Humans; D011208:Powders; D011859:Radiography; D012841:Simethicone; D013270:Stomach / Q000000981:diagnostic imaging*; D013272:Stomach Diseases / Q000000981:diagnostic imaging; D013679:Technology, Radiologic
chemical_list: D002254:Carbonates; D011208:Powders; D001466:Barium Sulfate; D012841:Simethicone