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咖啡因呼吸试验(Caffeine Breath Test,CBT)可测定人体肝脏中P-450酶的活力,并以此评价人体对有毒物质的暴露程度和风险水平,已被证明是多氯联苯(PCBs)暴露风险的有效标志物。本研究的主要目的是考察可否用CBT作为人体暴露致癌性多环芳烃(PAHs)的生物标志物。研究选择30名工作?
Caffeine Breath Test (CBT) measures the activity of P-450 enzymes in the human liver and assesses the extent and level of exposure to toxic substances in the body and has been shown to be associated with exposure to polychlorinated biphenyls (PCBs) A valid marker of risk. The main purpose of this study was to examine whether CBT can be used as a biomarker for human exposure to carcinogenic polycyclic aromatic hydrocarbons (PAHs). Study choose 30 jobs?