Petrushko, M. P., Pinyayev, V. I., & Erogova, N. N. (2005). Assessment of chromatin state in blastomeres after cryopreservation. Problems of Cryobiology and Cryomedicine, 15(3), 248. Retrieved from http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1093