title: A comparison of two barium sulphate preparations-Baritop 100 and Micropaque.
mesh_terms: D001466:Barium Sulfate; D004064:Digestive System / Q000000981:diagnostic imaging*; D004386:Duodenum / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D007413:Intestinal Mucosa / Q000000981:diagnostic imaging; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging
chemical_list: D001466:Barium Sulfate