title: The general practitioner barium meal service.
mesh_terms: D001466:Barium Sulfate; D004381:Duodenal Ulcer / Q000175:diagnosis; D004739:England; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005194:Family Practice; D006548:Hernia, Diaphragmatic / Q000175:diagnosis; D006761:Hospitals; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis
chemical_list: D001466:Barium Sulfate