Petrushko, M. P. (2005). Role of Cell Cycles Phases and Pronuclei Morphology in Viability of Native and Cryopreserved Zygotes. Problems of Cryobiology and Cryomedicine, 15(2), 202–206. Retrieved from https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/633