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１９９７年我们调查了浙江省２１８例儿童的血铅水平与儿童智商及社会生活力的关系。同时积极地采取了对儿童铅中毒的次级预防等措施。现将干预后的复查结果报告如下。１ 对象和方法１．１ 对象 ①血铅水平的复查对象为１９９７年接受调查的对象，其中６例因故未查。总计２
In 1997, we investigated the relationship between blood lead levels and children’s IQ and social viability in 218 children in Zhejiang Province. At the same time, measures such as secondary prevention of lead poisoning in children have been actively taken. The results of the post-intervention review are reported below. 1 Subjects and methods 1.1 Object ① blood lead levels of the object of the review in 1997 to investigate the object, of which 6 were not checked for some reason. Total 2