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Assessment of a radioisotopic assay for vitamin B12 using an intrinsic factor preparation with R proteins blocked by
Journal of Clinical Pathology
|October 1, 1982
Abstract:
A competitive protein binding radioassay kit for serum vitamin B(12) has been assessed. Precision, linearity, sensitivity, and specificity have been found to be satisfactory. Falsely-normal assay results in patients with vitamin B(12) deficiency have not been observed.