title: Application of competitive ligand binding for the radioassay of vitamin B12 and folic acid.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001681:Biological Assay; D003036:Cobalt Isotopes; D005492:Folic Acid / Q000097:blood* / Q000378:metabolism; D007778:Lactobacillus; D008892:Milk; D011869:Radioligand Assay; D014805:Vitamin B 12 / Q000097:blood* / Q000378:metabolism
chemical_list: D003036:Cobalt Isotopes; D005492:Folic Acid; D014805:Vitamin B 12