To study the effects of the medicine_food herbs on removing lead from workers exposed to lead.
研究药食两用中药预防性驱铅效果。
Methods The activity of urine NAG was determined by colorimetry with para-nitrophenol in 85 workers exposed to lead.
方法采用对硝基苯酚比色法对85名铅作业工人尿nag活性进行测定。
The dose-response relationships among the blood lead and other biological parameters had been revealed in the workers exposed to lead.
血铅与其他参数也有相关，得到很好的剂量-反应关系。
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