title: Estimation of the total body vitamin B12 in the live subject.
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D001823:Body Composition; D003036:Cobalt Isotopes; D005260:Female; D006801:Humans; D008099:Liver / Q000032:analysis; D008297:Male; D008875:Middle Aged; D011865:Radioisotope Dilution Technique; D014805:Vitamin B 12 / Q000032:analysis* / Q000097:blood
chemical_list: D003036:Cobalt Isotopes; D014805:Vitamin B 12