Perchik, O. A., and V. V. Volina. “Effect of Placental Preparations on Morphofunctional State of Organs and Tissues of Aged Rats”. Problems of Cryobiology and Cryomedicine 16, no. 3 (September 15, 2006): 341–347. Accessed April 23, 2024. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/589.