References
- Bedford J M, Calvin H I. The occurrence and possible functional significance of -S-S- crosslinks in sperm head, with particular reference to eutherian mammals. J Exp Zool 1974; 188: 137–156
- Cohen J, Malter H, Wright G, Kort H, Massey J, Mitchell D. Partial zona dissection of human oocytes when failure of zona pellucida penetration is anticipated. Hum Reprod 1989; 4: 435–442
- Goto K, Kinoshita A, Takuma Y, Ogawa K. Fertilization in sperm injection in cattle. Theriogenology 1990; 33: 238, (Abstr)
- Hoppe P C. Techniques of fertilization in vitro. Reproductive Toxicology, R L Dixon. Raven, New York 1985; 191
- Iritani A. Current status of biotechnological studies in mammalian reproduction. Fertil Steril 1988; 50: 543–551
- Ng S C, Bongo T A, Ratnam S S, et al. Pregnancy after transfer of multiple sperm under the zona. Lancet 1982; 2: 790
- Perreault S D, Zirkin B R. Sperm nuclear decondensation in mammals: role of sperm-associated proteinase in vivo. J Exp Zool 1982; 224: 253–257
- Uehara T, Yanagimachi R. Microsurgical injection of spermatozoa into hamster eggs with subsequent transformation of sperm nuclei into male pronuclei. Biol Reprod 1976; 15: 467–470
- Whitten W K. Nutrient requirements for the culture of preimplantation embryos in vitro. Advances in the Biosciences, G Raspa. Pergamon, New York 1971; Vol. 6: 129–149
- Yanagida K, Yanagimachi R, Perreault S D, Kleinfeld R G. Thermostability of sperm nuclei assessed by microinjection into hamster oocytes. Biol Reprod 1991; 44: 440–447