title: A simple routine radioisotope method for the estimation of serum vitamin B12 using DEAE cellulose and human serum binding agent.
mesh_terms: D000752:Anemia, Pernicious / Q000097:blood; D001681:Biological Assay; D001798:Blood Proteins; D002021:Buffers; D002482:Cellulose; D003036:Cobalt Isotopes; D005055:Euglena; D006801:Humans; D006868:Hydrolysis; D007778:Lactobacillus; D008722:Methods; D011485:Protein Binding; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D001798:Blood Proteins; D002021:Buffers; D003036:Cobalt Isotopes; D002482:Cellulose; D014805:Vitamin B 12