No abstract available
Publication types
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Letter
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Asthma / blood
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Asthma / chemically induced*
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Child
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Child, Preschool
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Cohort Studies
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Environmental Exposure / adverse effects*
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Environmental Exposure / analysis
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Environmental Pollutants / blood
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Environmental Pollutants / toxicity*
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Female
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Humans
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Infant
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Lead / blood
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Lead / toxicity*
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Logistic Models
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Male
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Retrospective Studies
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Risk Factors
Substances
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Environmental Pollutants
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Lead