Screening for vitamin B-12 and folate deficiency in older persons.

BACKGROUND: Vitamin B-12 deficiency is usually accompanied by elevated concentrations of serum total homocysteine (tHcy) and methylmalonic acid (MMA). Folate deficiency also results in elevated tHcy. Measurement of these metabolites can be used to screen for functional vitamin B-12 or folate defici...

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Bibliographic Details
Main Authors: Clarke, R, Refsum, H, Birks, J, Evans, J, Johnston, C, Sherliker, P, Ueland, P, Schneede, J, McPartlin, J, Nexo, E, Scott, J
Format: Journal article
Language:English
Published: 2003