Fig. 5From: Experimental vitamin B12 deficiency in a human subject: a longitudinal investigation of the performance of the holotranscobalamin (HoloTC, Active-B12) immunoassayHoloTC and Holohaptocorrin. In a, for each pair of concurrent measurements, HoloTC as % of total serum vitamin B12 = 100 × (HoloTC concentration/total vitamin B12 concentration). In b, for each pair of concurrent measurements, holohaptocorrin (HoloHC) = total vitamin B12 concentration − holotranscobalamin (HoloTC) concentrationBack to article page