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. 1948 Dec 9;239(24):911-3.
doi: 10.1056/NEJM194812092392402.

Observations on the etiologic relationship of achylia gastrica to pernicious anemia; activity of vitamin B12 as food, extrinsic factor

L BERK, W B CASTLE, et al.

Observations on the etiologic relationship of achylia gastrica to pernicious anemia; activity of vitamin B12 as food, extrinsic factor

L BERK et al. N Engl J Med. .
No abstract available

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