[Basic study of child lead poisoning in China: problems].
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D000818:Animals; D002648:Child; D002681:China; D004781:Environmental Exposure / Q000517:prevention & control*; D005260:Female; D006801:Humans; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000517:prevention & control*; D008297:Male; D051381:Rats
D007854:Lead