No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Biomarkers / blood
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Folic Acid / blood
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Homocysteine / blood
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Humans
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Methylmalonic Acid / blood
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Middle Aged
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Transcobalamins / analysis
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Vitamin B 12 / blood*
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Vitamin B 6 / blood
Substances
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Biomarkers
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Transcobalamins
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Homocysteine
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Vitamin B 6
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Methylmalonic Acid
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Folic Acid
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Vitamin B 12