Gorbunov, L. V. “Estimation of Mammalian Embryos Viability and Efficiency of Their Cryopreservation Technology”. Problems of Cryobiology and Cryomedicine, no. 4 (December 25, 2003): 35–40. Accessed May 6, 2024. http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/1076.