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. 1962 Jan;38(435):35–40. doi: 10.1136/pgmj.38.435.35

The Estimation and Significance of the Level of Vitamin B12 in Serum

G H Spray
PMCID: PMC2482499  PMID: 13915921

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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