No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Aging / physiology
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Child
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Child, Preschool
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Diet*
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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 / prevention & control*
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Food, Fortified
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Humans
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Infant
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Infant, Newborn
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Male
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Middle Aged
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Nutrition Assessment
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Nutritional Requirements
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Outcome and Process Assessment, Health Care*
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Pregnancy
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Vitamin B 12 / administration & dosage*
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Vitamin B 12 Deficiency / epidemiology
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Vitamin B 12 Deficiency / prevention & control*
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World Health Organization