5Holt WV, Palom MJ. Optimization of a continuous real - time computerized semen analysis system for rat sperm motility assessment and evaluation of four methods of semen preparation [J ]. J Reprod Fert, 1996, 8(2) :219 - 230.
6Jeulin C, Feneux D, Serres C, et ak Sperm factors related to failure of human in vitro fertilization[ J ]. J Rerrod Fert, 1986, 76(2) :735 - 744.
7Ralph EL, Lillian Fs, & Valwei LS. Endpoints of spermatotoxicity in the rat after short duration exposures to fourteen reproducitive toxicants[J ]. Rep Toxicol, 1992, 6 : 491,.
8Manca D, Ricard AC, Trottier B, et al. Studies on lipid proxidation in rat following administration of low and moderate doses of cadmium chloride[J]. Toxico, 1991 , 67(3) :303 - 323.
9BROWN R. The Bcl-2 family of proteins[J]. Br Med Bull,1997,53(3) :466-477.
10GAVRILI Y,SHERMAN Y,BEN SASSON S A. identification of programmed cell death in situ via specific labeling of nuclear DNA fragmentation[J]. Cell Biol, 1992,119(3) :493-501.
