title: Diagnosis and treatment of duodenal ulcers.
mesh_terms: D001466:Barium Sulfate; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000188:drug therapy / Q000601:surgery / Q000628:therapy; D004384:Duodenoscopy; D005773:Gastroscopy; D006635:Histamine H2 Antagonists / Q000627:therapeutic use; D006801:Humans
chemical_list: D006635:Histamine H2 Antagonists; D001466:Barium Sulfate