Conclusion Our study suggests that infant behavior problems are associated with the contents of their blood lead, cadmium, calcium.
结论研究认为血铅、镉、钙对幼儿行为问题有一定影响。
Conclusion Our study suggests that infant behavior problems are associated with the contents of their blood lead, cadmium, calcium.
结论研究认为血铅、镉、钙对幼儿行为问题有一定影响。
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