No abstract available
MeSH terms
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Adult
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Child
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Dietary Supplements / standards*
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Humans
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Public Health / standards*
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Recommended Dietary Allowances*
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Seasons
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State Medicine
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Sunlight*
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United Kingdom
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Vitamin D / administration & dosage
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Vitamin D / analogs & derivatives*
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Vitamin D / blood
Substances
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Vitamin D
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25-hydroxyvitamin D