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Comment
. 2004 Feb;79(2):338; author reply 338-9.
doi: 10.1093/ajcn/79.2.338.

Vitamin B-12 and folate deficiency in elderly persons

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Comment

Vitamin B-12 and folate deficiency in elderly persons

Nicholas J Wald et al. Am J Clin Nutr. 2004 Feb.
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