Gulevsky, A. K., A. V. Trifonova, and A. A. Lavrik. “Effect of Calf Blood Cryohemolysate Fraction below 5 KDa ("Actovegin&Quot;) on Mitotic Activity of PK-15-IECVM Cell Culture”. Problems of Cryobiology and Cryomedicine, vol. 15, no. 3, Sept. 2005, p. 539, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1188.