Egorov, M.I., Linnik, T.P., Dyubko, T.S. and Belonozhko, A.P. 2005. Study of Cryoprotective Activity of Endocellular Cryoprotectants during Canine Spermatozoa Cryopreservation. Problems of Cryobiology and Cryomedicine. 15, 4 (Dec. 2005), 736.