title: Barium sulfate versus water-soluble, low-osmolarity contrast medium in esophageal examinations.
authors.forename: A Z
authors.initials: AZ
authors.lastname: Ginai
mesh_terms: D001466:Barium Sulfate; D003287:Contrast Media; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D007485:Ioxaglic Acid; D011859:Radiography
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate; D007485:Ioxaglic Acid