Moiseyeva, N. N., Tyagileva, V. P., Trifonova, A. V., & Schenyavsky, I. I. (2005). Comparative assessment of biological activity of frozen-dried human cord blood serum and Actovegin. Problems of Cryobiology and Cryomedicine, 15(3), 575–576. Retrieved from https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1200