chronic slight saturnism 慢性轻度铅中毒
The content of Pb in 626 children aged 1-7 in Shenzhen city was reported. It showed that there were 279 children with chronic saturnism (taking up 44.41 % of the total).
报道了深圳市626名1 - 7岁儿童头发中铅的含量，有279名儿童可能有慢性铅中毒的危险，占儿童总数的44.41%。
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