Samokhina, L. M., V. V. Lomako, and A. V. Shilo. “Elastases under Artificial Hypometabolism in Rats”. Problems of Cryobiology and Cryomedicine, vol. 18, no. 4, Dec. 2008, pp. 557-60, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/378.