Kuzmina, I. Yu., V. Ye. Chadayev, O. S. Prokopyuk, and V. G. Karpenko. 2006. “Experience in Cryopreserved Placenta Application When Treating Fetoplacental Failure and Fetus Hypoxia”. Problems of Cryobiology and Cryomedicine 16 (2):222-29. https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/605.