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Comment
. 2002 May 11;359(9318):1695.
doi: 10.1016/S0140-6736(02)08570-7.

Vitamin B12 deficiency

C David Naylor
Comment

Vitamin B12 deficiency

C David Naylor. Lancet. .
No abstract available

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Comment on

  • Uses of error: knowledge gaps.
    Spence D. Spence D. Lancet. 2001 Dec 8;358(9297):1934. doi: 10.1016/s0140-6736(01)06958-6. Lancet. 2001. PMID: 11747916 No abstract available.