Babijchuk, G. O., L. M. Samokhina, O. V. Shilo, V. V. Lomako, O. I. Voitenko, O. M. Schenyavska, and P. M. Zubov. 2005. “Chymase, Tonin and Calpains under Hypometabolic State in Rats”. Problems of Cryobiology and Cryomedicine 15 (3):465-66. http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/1161.