Forman D, Al-Dabbagh S, Doll R
Nature. 1985;313(6004):620-5. doi: 10.1038/313620a0.
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.
在患胃癌风险不同的两个人群的唾液中测量了硝酸盐和亚硝酸盐。令人惊讶的是,低风险组中这两种离子的水平显著更高。