Salina, A. S., P. A. Trotsky, O. E. Guzevaty, L. V. Gorbunov, E. G. Lisina, and Yu. M. Sobko. 2005. “Mammalian Oocytes Freezing Within a Wide Range of Heat Exchange Rates”. Problems of Cryobiology and Cryomedicine 15 (4):743. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1264.