Denisova, O. N. “Influence of Cryoprotectants and Freezing on Mammalian Erythrocytes”. Problems of Cryobiology and Cryomedicine, vol. 15, no. 4, Dec. 2005, p. 744, http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/1265.