title: [Double contrast roentgenographic manifestations of gastric polyp].
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000000981:diagnostic imaging*; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic
chemical_list: D001466:Barium Sulfate