title: [Relation between N-nitroso compounds and gastric cancer].
mesh_terms: D000328:Adult; D000368:Aged; D004128:Dimethylnitrosamine / Q000032:analysis*; D005260:Female; D005750:Gastric Juice / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D012044:Regression Analysis; D012463:Saliva / Q000032:analysis; D013274:Stomach Neoplasms / Q000032:analysis* / Q000209:etiology
chemical_list: D004128:Dimethylnitrosamine