title: Surgical treatment of peptic ulcer in the United States. Trends before and after the introduction of cimetidine.
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D004381:Duodenal Ulcer / Q000453:epidemiology; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D010437:Peptic Ulcer / Q000188:drug therapy / Q000601:surgery*; D013276:Stomach Ulcer / Q000453:epidemiology; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data / Q000639:trends*; D014481:United States
chemical_list: D006146:Guanidines; D002927:Cimetidine