A total of 353 samples of gastric juice was collected from Lin-xian subjects who were examined by endoscopy. NDMA, NDEA, NMBzA, Npyr, Npip, NSAR and other unknown compounds were detected in the fasting gastric juice. NMBzA, Npyr, Npip and NSAR can induce esophageal cancer in animals. Among the concentrations of N-Nitrosamines in gastric juice, the level of… (More)
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