Assay of serum vitamin B12 using Co57B12, intrinsic factor and coated charcoal.
D000293:Adolescent; D000328:Adult; D001681:Biological Assay; D002606:Charcoal; D003036:Cobalt Isotopes; D005260:Female; D006801:Humans; D007437:Intrinsic Factor; D008297:Male; D008875:Middle Aged; D014805:Vitamin B 12 / Q000097:blood*
D003036:Cobalt Isotopes; D002606:Charcoal; D007437:Intrinsic Factor; D014805:Vitamin B 12