V. V. Lomako, L. M. Samokhina, and O. V. Shylo, “Effect of Natural and Various Artificial Hypometabolism on Activity of Protease – Protease Inhibitor System in Hamsters and Rats”, Probl Cryobiol Cryomed, vol. 21, no. 3, pp. 280–290, Sep. 2011.