Nardid, E. O., E. I. Naumenko, S. L. Rozanova, and O. A. Nardid. “Effect of Freezing Regimens on Protein Aggregation of Human Cord Blood Serum”. Problems of Cryobiology and Cryomedicine, vol. 16, no. 3, Sept. 2006, pp. 311-5, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/586.