Bondarenko, T. P., and Y. K. Rumiekh. “Cryoresistance of Organotypic Cultures Derived from Adrenal Tissues of Rats of Various Ages”. Problems of Cryobiology and Cryomedicine, vol. 17, no. 1, June 2007, pp. 44-49, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/530.