title: Letter: Gastric ulcer and cimetidine.
mesh_terms: D000863:Antacids / Q000627:therapeutic use*; D002792:Cholestyramine Resin / Q000627:therapeutic use; D005756:Gastritis / Q000150:complications / Q000188:drug therapy; D006146:Guanidines / Q000627:therapeutic use*; D007093:Imidazoles / Q000627:therapeutic use*; D013276:Stomach Ulcer / Q000150:complications / Q000188:drug therapy*
chemical_list: D000863:Antacids; D006146:Guanidines; D007093:Imidazoles; D002792:Cholestyramine Resin