title: Cimetidine, nitrosation, and carcinogenicity.
mesh_terms: D002927:Cimetidine / Q000009:adverse effects* / Q000031:analogs & derivatives; D006146:Guanidines / Q000009:adverse effects*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009573:Nitrites / Q000378:metabolism; D009603:Nitroso Compounds / Q000009:adverse effects / Q000378:metabolism*; D013274:Stomach Neoplasms / Q000139:chemically induced*
chemical_list: D006146:Guanidines; D009573:Nitrites; D009603:Nitroso Compounds; C019503:nitrosocimetidine; D002927:Cimetidine