Goncharuk, E. I. “Cryopreservation of Chorion Cells As Prospective Object for Biotechnology”. Problems of Cryobiology and Cryomedicine 18, no. 4 (December 22, 2008): 459–461. Accessed May 24, 2024. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/352.