title: The accuracy of barium enema examination: an appraisal of two techniques.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D003951:Diagnostic Errors; D004733:Enema; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate