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%。

  • 互联网摘选 2025-01-20 18:56:58

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