title: Double contrast examination with ingested barium.
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate / Q000008:administration & dosage*; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013679:Technology, Radiologic
chemical_list: D001466:Barium Sulfate