title: Cimetidine, nitroso compounds, and gastric cancer.
mesh_terms: D002927:Cimetidine / Q000378:metabolism*; D006146:Guanidines / Q000378:metabolism*; D006801:Humans; D009603:Nitroso Compounds / Q000378:metabolism*; D013274:Stomach Neoplasms / Q000139:chemically induced*
chemical_list: D006146:Guanidines; D009603:Nitroso Compounds; D002927:Cimetidine