Grischenko, V. I., M. P. Petrushko, A. G. Gerodes, I. V. Terpyachaya, and T. M. Gurina. 2003. “Pregnancy and Labour After Transplantation of Frozen-Thawed Human Embryos”. Problems of Cryobiology and Cryomedicine, no. 3 (September):99-102. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1066.