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本研究探讨环境铅暴露对幼儿血铅及行为的影响 ,为预防儿童行为问题提供依据。1.对象与方法 :随机整群抽取太原市某工业区幼儿园 96名 4～ 6岁幼儿为观察组 ,某居民区幼儿园 2 11名同年龄组幼儿为对照组。对两幼儿园空气、土壤、饮水 (各 8个样本 )及幼儿手尘 (各 2 6个样本 )
This study explored the impact of environmental lead exposure on blood lead and behavior of children and provided the basis for prevention of child behavior problems. 1. Subjects and Methods: A total of 96 4 to 6-year-old children from kindergartens in an industrial park of Taiyuan were randomly selected as the observation group and 2,11 children of the same age group in a residential kindergarten as the control group. The kindergarten air, soil, drinking water (8 samples each) and children hand dust (each 2 6 samples)