No abstract available
MeSH terms
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Autoantibodies / blood
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Dietary Supplements* / adverse effects
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Dietary Supplements* / economics
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Dose-Response Relationship, Drug
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Female
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Folic Acid / administration & dosage*
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Folic Acid / economics
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Folic Acid / immunology
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Health Policy
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Humans
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Neural Tube Defects / prevention & control*
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Preconception Care
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Pregnancy
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United States
Substances
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Autoantibodies
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Folic Acid