No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Aging / metabolism*
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Geriatric Assessment
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Humans
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Mass Screening
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Prevalence
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Vitamin B 12 / therapeutic use*
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Vitamin B 12 Deficiency / diagnosis*
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Vitamin B 12 Deficiency / drug therapy
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Vitamin B 12 Deficiency / epidemiology
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Vitamin B 12 Deficiency / metabolism