Zinchenko, V. D., I. A. Belykh, and I. A. Musina. “Ozone Methods in Cryobiology”. Problems of Cryobiology and Cryomedicine, vol. 15, no. 3, Sept. 2005, pp. 286-9, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1107.