No abstract available
MeSH terms
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Child, Preschool
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District of Columbia
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Humans
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Infant
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Lead / blood*
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Lead / chemistry
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Lead / toxicity*
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Public Health
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Time Factors
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Water Pollutants, Chemical / blood*
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Water Pollutants, Chemical / chemistry
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Water Supply / analysis*
Substances
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Water Pollutants, Chemical
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Lead