title: Nitrates, nitrites and gastric cancer in Great Britain.
abstract: Nitrate and nitrite were measured in the saliva of two populations who differed in their risk of developing gastric cancer. Surprisingly, the levels of both ions were significantly higher in the low-risk group.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009566:Nitrates / Q000633:toxicity*; D009573:Nitrites / Q000633:toxicity*; D012306:Risk; D012463:Saliva / Q000032:analysis; D012737:Sex Factors; D012907:Smoking; D012959:Socioeconomic Factors; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000209:etiology*; D006113:United Kingdom
chemical_list: D009566:Nitrates; D009573:Nitrites