title: [The method of particular positional examination of the digestive tract. Combined examination in the proximal stomach].
mesh_terms: D001466:Barium Sulfate; D006801:Humans; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic
chemical_list: D001466:Barium Sulfate