title: Duodenal ulcers that are difficult to heal.
authors.affiliation: Academic Department of Medicine, Royal Free Hospital School of Medicine, London.
authors.forename: R
authors.initials: R
authors.lastname: Pounder
mesh_terms: D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D002927:Cimetidine / Q000627:therapeutic use; D004381:Duodenal Ulcer / Q000188:drug therapy*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use; D006801:Humans; D009853:Omeprazole / Q000627:therapeutic use; D011899:Ranitidine / Q000627:therapeutic use
chemical_list: D000897:Anti-Ulcer Agents; D006635:Histamine H2 Antagonists; D002927:Cimetidine; D011899:Ranitidine; D009853:Omeprazole