title: Effect of cyanide on radioassay for serum cobalamin.
mesh_terms: D003486:Cyanides; D006801:Humans; D007437:Intrinsic Factor; D011869:Radioligand Assay; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D003486:Cyanides; D007437:Intrinsic Factor; D014805:Vitamin B 12