No abstract available
MeSH terms
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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 / blood*
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Homocysteine / blood*
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Humans
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Neural Tube Defects / diagnosis*
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Neural Tube Defects / prevention & control
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Pregnancy
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Pregnancy Complications / blood
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Pregnancy Complications / diagnosis*
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Pregnancy Complications / prevention & control
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Prenatal Diagnosis*
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Reference Values