title: Today's treatment of chronic duodenal ulcer. H2 antagonists and the role of surgery.
mesh_terms: D004381:Duodenal Ulcer / Q000150:complications / Q000188:drug therapy* / Q000601:surgery*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000601:surgery
chemical_list: D006635:Histamine H2 Antagonists