Kompaniets, A. M., A. V. Nikolenko, V. V. Chekanova, and Y. P. Trots. “Erythrocyte Cryopreservation under Protection of Oxyethylated Glycerol Oligomer (n = 25)”. Problems of Cryobiology and Cryomedicine, vol. 15, no. 3, Sept. 2005, pp. 561-5, https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/1195.