title: Overestimation of cyanocobalamin due to coelution of sulfitocobalamin on SP-Sephadex C-25.
mesh_terms: D001692:Biological Transport; D002850:Chromatography, Gel / Q000379:methods; D006367:HeLa Cells / Q000378:metabolism*; D006801:Humans; D008214:Lymphocytes / Q000378:metabolism*; D014805:Vitamin B 12 / Q000302:isolation & purification* / Q000378:metabolism
chemical_list: C016763:sulfitocobalamin; D014805:Vitamin B 12