thin-layer chromatography and bioautography were used to study the cobalamin pattern of plasma , erythrocytes , and hepatic tissue from patients with cobalamin deficiency on maintenance therapy with hydroxocobalamin ( vibeden ) , a cyanocobalamin depot preparation ( betolvex ) , or cyanocobalamin tablets ( behepan ) .
C0042847
cobalamin
C0020316
hydroxocobalamin