title: Intragastric acidity, bacteria, nitrite, and N-nitroso compounds before, during, and after cimetidine treatment.
mesh_terms: D001419:Bacteria / Q000254:growth & development* / Q000378:metabolism; D002927:Cimetidine / Q000494:pharmacology* / Q000627:therapeutic use; D006146:Guanidines / Q000494:pharmacology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009573:Nitrites / Q000378:metabolism*; D009603:Nitroso Compounds / Q000378:metabolism*; D010437:Peptic Ulcer / Q000188:drug therapy; D013270:Stomach / Q000382:microbiology*
chemical_list: D006146:Guanidines; D009573:Nitrites; D009603:Nitroso Compounds; D002927:Cimetidine