Objective To realize the changes of blood lead ( PbB) levels and blood cadmium ( CdB) levels and the status of exposure to lead and cadmium in provincial capitals and counties.

  • 目的了解人体血铅血镉的变化和县镇人群铅镉暴露的状况。

  • 互联网摘选 2025-01-20 17:40:16

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