title: Negative interference by residual proteins in the supernatant fluid used in radioisotopic assay of serum vitamin B 12 .
mesh_terms: D000327:Adsorption; D001798:Blood Proteins; D002352:Carrier Proteins; D002606:Charcoal; D003036:Cobalt Isotopes; D005898:Glass; D006358:Hot Temperature; D006801:Humans; D007437:Intrinsic Factor; D007700:Kinetics; D008722:Methods; D009994:Osmolar Concentration; D011485:Protein Binding; D011489:Protein Denaturation; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D001798:Blood Proteins; D002352:Carrier Proteins; D003036:Cobalt Isotopes; D002606:Charcoal; D007437:Intrinsic Factor; D014805:Vitamin B 12