title: [Determination of vitamin B12 in serum by isotope dilution].
mesh_terms: D003036:Cobalt Isotopes; D008722:Methods; D011865:Radioisotope Dilution Technique; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D003036:Cobalt Isotopes; D014805:Vitamin B 12
vernacular_title: Le dosage de la vitamine B12 du sérum par dilution isotopique.