title: Re: the role of carbon dioxide and atmospheric air in double-contrast barium enema.
authors.forename: R
authors.initials: R
authors.lastname: Pochaczevsky
mesh_terms: D015746:Abdominal Pain / Q000517:prevention & control; D000388:Air; D001466:Barium Sulfate; D002245:Carbon Dioxide / Q000008:administration & dosage; D003106:Colon / Q000000981:diagnostic imaging*; D003287:Contrast Media / Q000008:administration & dosage; D004733:Enema; D006801:Humans; D011029:Pneumoradiography / Q000379:methods*
chemical_list: D003287:Contrast Media; D002245:Carbon Dioxide; D001466:Barium Sulfate