Bamonti, Fabrizia, Giovanna Antonella Moscato, Cristina Novembrino, et al. "Determination of serum holotranscobalamin concentrations with the AxSYM active B12 assay: cut-off point evaluation in the clinical laboratory" Clinical Chemistry and Laboratory Medicine, 48.2 (2009): 249-253. Retrieved 24 May. 2013, from doi:10.1515/cclm.2010.032

Bamonti, F., Moscato, G., Novembrino, C., et al. (2009). Determination of serum holotranscobalamin concentrations with the AxSYM active B12 assay: cut-off point evaluation in the clinical laboratory. Clinical Chemistry and Laboratory Medicine, 48(2), pp. 147-298. Retrieved 24 May. 2013, from doi:10.1515/cclm.2010.032

Bamonti, Fabrizia, Giovanna Antonella Moscato, Cristina Novembrino, et al. 2009. Determination of serum holotranscobalamin concentrations with the AxSYM active B12 assay: cut-off point evaluation in the clinical laboratory. Clinical Chemistry and Laboratory Medicine. 48(2): 147-298. Retrieved 24 May. 2013, from doi:10.1515/cclm.2010.032