title: Assay of serum vitamin B12 using an isotope method. The Schilling test.
mesh_terms: D000752:Anemia, Pernicious / Q000097:blood / Q000652:urine; D001667:Binding, Competitive; D002606:Charcoal; D003037:Cobalt Radioisotopes; D006801:Humans; D007437:Intrinsic Factor; D011485:Protein Binding; D011865:Radioisotope Dilution Technique; D012546:Schilling Test; D014805:Vitamin B 12 / Q000008:administration & dosage / Q000097:blood* / Q000652:urine
chemical_list: D003037:Cobalt Radioisotopes; D002606:Charcoal; D007437:Intrinsic Factor; D014805:Vitamin B 12