No abstract available
MeSH terms
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Cardiovascular Diseases / prevention & control
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Congenital Abnormalities / prevention & control
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Dietary Supplements*
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Edible Grain
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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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Homocysteine / blood*
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Humans
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Nutrition Policy
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United States
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Vitamins / administration & dosage
Substances
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Vitamins
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Homocysteine
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Folic Acid