尿总亚硝基化合物指标是评价人体亚硝胺接触水平的良好指标，可用于食管癌亚硝胺病因研究。
Urinary TNOC is a better index that is applied to assess the exposure dose of TNOC in humans and study etiology of NOC of esophageal cancer.
尿总亚硝基化合物指标是评价人体亚硝胺接触水平的良好指标，可用于食管癌亚硝胺病因研究。
Urinary TNOC is a better index that is applied to assess the exposure dose of TNOC in humans and study etiology of NOC of esophageal cancer.
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