4776例儿童头发锌、铜含量的回顾性评价

Evaluation of Review on Determination of Hair Zn and Cu Levels in 4776 Children

对 4 776例 9个月至 4岁儿童的发锌、铜含量进行了检测分析 ,发现有半数以上儿童发锌降低 ,约三分之一儿童发铜减少。

The content of hair Zn and Cu in 4776 children aged from 9 month to 4 years old was determined. The results showed that the hair Zn level of more than half of the children decreased,while the content of hair Cu of about 1/3 of the children reduced.