Saleh, A., and T. P. Bondarenko. “Functional Characteristics of Testes Organ Culture Under Cryopreservation”. Problems of Cryobiology and Cryomedicine, no. 3, Sept. 2002, pp. 80-82, http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/965.