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2a类致癌物有哪些
更新时间: 2020-11-03 00:00:00  

2a类致癌物有丙烯酰胺、无机铅化合物、氯霉素等等,2a类致癌物是对人体致癌的可能性较高的物质或混合物,在动物实验中发现充分的致癌性证据,对人体虽有理论上的致癌性,而实验性的证据有限。

致癌物严格地说只是致癌的外部因素。这些外因大致可以分为化学致癌物、物理致癌物、生物致癌物和食物致癌物。致癌物质是来源于自然和人为环境、在一定条件下能诱发人类和动物癌症的物质。

关键词: 2a 致癌物 哪些

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