5Singh NP, Mccoy MT, Tice RR, et al.A simple technique for quantitation of low levels of DNA damage in individual cells [J]. Exp Cell Yes, 1988, 175: 184.
6Ojha cell vivo flow P, Dhar JD, Dwivedi AK, etal. Rat testicular germ type(s) targeted by anti-spermatogenie agents in and their recovery on withdrawal of treatment-A cytometric study [J]. Anim Reprod Sci, 103 (1-2):135-148.
7Jagetia GC, Krishnamurthy H, Jyothi P. Evaluation of cytotoxic effects of different doses of vinblastine on mouse spermatogenesis by flowcytometry[J]. Toxicology, 112(3): 227-236.
8Earnshaw WC, Martins LM, Kaufmann SH. Mammalian caspase: Structure, activation, substrates, and functions during apoptosis [J]. Ann Rev Biochem, 1999, 68:383 -424.
9Enari M, Sakahira H, Yokoyama H, etal. A caspaseactivated DNase that degrades DNA during apoptosis and its inhibitor ICAD [J]. Nature, 1998, 391(6662) :43--50.
10Indrani Maitra,Lucia Marcocci et al. Peroxyl radical scavenging activity of ginkgo biloba extract EGB761 ,Biochemical Pharmacology, 1995(49) 11