title: Cimetidine and gastric pH.
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000187:drug effects / Q000378:metabolism*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D006146:Guanidines; D002927:Cimetidine