title: A personal assessment of the gas contrast barium meal.
mesh_terms: D001466:Barium Sulfate; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D005740:Gases; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging; D006548:Hernia, Diaphragmatic / Q000000981:diagnostic imaging*; D006551:Hernia, Hiatal / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography; D013276:Stomach Ulcer / Q000000981:diagnostic imaging
chemical_list: D005740:Gases; D001466:Barium Sulfate