What are the long-termeffectsofchemicals on children's health, especially lead?
哪些是化学品、尤其是铅对儿童健康的长期影响?
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Q: What are the long-termeffectsofchemicals on children's health, especially lead?
问:哪些是化学品、尤其是铅对儿童健康的长期影响?
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Health and environmental advocates having long urged U.S. government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-termeffects.