No abstract available
MeSH terms
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Aged
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Cognition / drug effects*
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Cognition Disorders / prevention & control
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Dietary Supplements*
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Folic Acid / blood
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Homocysteine / blood
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Humans
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Hyperhomocysteinemia / drug therapy*
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Vitamin B 12 / blood
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Vitamin B Complex / blood
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Vitamin B Complex / pharmacology
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Vitamin B Complex / therapeutic use*
Substances
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Homocysteine
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Vitamin B Complex
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Folic Acid
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Vitamin B 12