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    Am Fam Physician. 2004 Jan 15;69(2):264; author reply 264, 266.

    Use of metformin is a cause of vitamin B12 deficiency.

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    • Vitamin B12 deficiency. [Am Fam Physician. 2003]
    PMID:
    14765765
    [PubMed - indexed for MEDLINE]
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