Kuzmina, I. Y., V. Y. Chadayev, O. S. Prokopyuk, and V. G. Karpenko. “Experience in Cryopreserved Placenta Application When Treating Fetoplacental Failure and Fetus Hypoxia”. Problems of Cryobiology and Cryomedicine, vol. 16, no. 2, June 2006, pp. 222-9, https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/605.