No abstract available
Publication types
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Multicenter Study
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Observational Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Birth Rate / trends
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China / epidemiology
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Environmental Exposure
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Female
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Humans
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Infant
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Male
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Nutritional Status
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Pregnancy
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Pregnancy Outcome / epidemiology*
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Prospective Studies
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Risk Factors