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. 1982 Oct;35(10):1110–1113. doi: 10.1136/jcp.35.10.1110

Assessment of a radioisotopic assay for vitamin B12 using an intrinsic factor preparation with R proteins blocked by vitamin B12 analogues

Barbara Bain 1, GN Broom 1, Jackie Woodside 1, RA Litwinczuk 1, SN Wickramasinghe 1
PMCID: PMC497892  PMID: 7130421

Abstract

A competitive protein binding radioassay kit for serum vitamin B12 has been assessed. Precision, linearity, sensitivity, and specificity have been found to be satisfactory. Falsely-normal assay results in patients with vitamin B12 deficiency have not been observed.

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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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