Radioisotope assay of vitamin B12 in human blood serum.
D000752:Anemia, Pernicious / Q000378:metabolism; D001681:Biological Assay; D002746:Chlorpromazine; D003036:Cobalt Isotopes; D003486:Cyanides; D006801:Humans; D007202:Indicators and Reagents; D007778:Lactobacillus; D008722:Methods; D011188:Potassium; D014805:Vitamin B 12 / Q000097:blood*
D003036:Cobalt Isotopes; D003486:Cyanides; D007202:Indicators and Reagents; D014805:Vitamin B 12; D011188:Potassium; D002746:Chlorpromazine