Pogozhikh, D. N., Rozanova, E. D., & Nardid, O. A. (2008). Change of Properties of Human Placenta Aqueous-Saline Extracts During Low Temperature Storage. Problems of Cryobiology and Cryomedicine, 18(1), 22–26. Retrieved from https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/443