title: Ethical aspects of a study of the effects of aspirin on the healing of duodenal ulcer.
authors.forename: D M
authors.initials: DM
authors.lastname: Paton
mesh_terms: D001241:Aspirin / Q000494:pharmacology*; D004381:Duodenal Ulcer / Q000188:drug therapy*; D004992:Ethics, Medical; D006801:Humans; D011899:Ranitidine / Q000627:therapeutic use*; D014945:Wound Healing / Q000187:drug effects
chemical_list: D011899:Ranitidine; D001241:Aspirin