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随着科学的发展,低浓度铅对健康的危害日益被人们所认识,众多报道[1-3j表明儿童机体对铅毒性的敏感性较高。为了解我市儿童血铅水平,从而更好地保护儿童身体健康。我们于1997~1998年对扬州市480名小学生进行了血铅水平及其影响因素的调查。1对象与方法1.1对象:选择3所
With the development of science, the health hazard of low concentration of lead is increasingly recognized. Many reports [1-3j] indicate that children’s body is more sensitive to lead toxicity. In order to understand the city’s blood lead levels in children, so as to better protect children’s health. We conducted a survey of blood lead levels and influencing factors among 480 pupils in Yangzhou from 1997 to 1998. 1 objects and methods 1.1 object: select 3