No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Diet Records
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Dietary Supplements
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Energy Intake
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Female
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Folic Acid / administration & dosage*
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Folic Acid / blood
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Food, Fortified
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Humans
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Neural Tube Defects / prevention & control*
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Nutrition Policy
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Nutritional Requirements
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Postpartum Period*
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Pregnancy*
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Surveys and Questionnaires
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Vitamin B 12 / administration & dosage*
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Vitamin B 12 / blood
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Zinc / administration & dosage*
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Zinc / blood
Substances
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Folic Acid
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Zinc
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Vitamin B 12