No abstract available
Publication types
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Multicenter Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Baltimore / epidemiology
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Delaware / epidemiology
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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 Deficiency / epidemiology*
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Folic Acid Deficiency / etiology
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Food, Fortified
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Humans
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Nutritional Requirements
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Prevalence
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Risk Factors
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Spinal Dysraphism / complications*
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Spinal Dysraphism / metabolism