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    David D. Cravens, MD, MSPH, CMD

    Article

    How do we evaluate a marginally low B12 level?

    Author:
    David D. Cravens, MD, MSPH, CMD
    Joan Nashelsky, MLS

    EVIDENCE-BASED ANSWER: The best way to evaluate a low-normal B12 level is to check serum methylmalonic acid and homocysteine levels1 (strength of...

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