Yurchuk TA, Petrushko MP, Pinyayev VI. Efficiency of Human Expanded Blastocyst Cryopreservation using Vitrification and Collapsing. Probl Cryobiol Cryomed [Internet]. 2016Jun.23 [cited 2025Dec.8];26(2):167. Available from: http://www.cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/880