Cherkashina, I. V., and I. N. Kuchkov. “Application of Perfluorinated Carbohydrates for Low Temperature Storage of Human Spermatozoa”. Problems of Cryobiology and Cryomedicine, vol. 18, no. 4, Dec. 2008, pp. 515-9, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/366.