1. Assessment of a radioisotopic assay for vitamin B12 using an intrinsic factor preparation with R proteins blocked by vitamin B12 analogues. Issue 10 (October 1982) Authors: Bain, Barbara; Broom, GN; Woodside, Jackie; Litwinczuk, RA; Wickramasinghe, SN Journal: Journal of clinical pathology Issue: Volume 35:Issue 10(1982) Page Start: 1110 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗