No abstract available
MeSH terms
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Decision Making*
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Dietary Supplements
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Female
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Folic Acid / administration & dosage
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Folic Acid / therapeutic use*
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Health Policy*
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Hematinics / therapeutic use*
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Humans
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Neural Tube Defects / epidemiology
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Neural Tube Defects / prevention & control*
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Pregnancy
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United States / epidemiology
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United States Food and Drug Administration