1. Microsurgical injection of spermatozoa into hamster eggs with subsequent transformation of sperm nuclei into male pronuclei;Uehara;Bio. Reprod.,1976
2. Hosoi Y, Miyake M, Utsumi K, Iritani A. Development of rabbit oocytes after microinjection of spermatozoon. In: Proceedings of the 11th Congress on Animal Reproduction and Artificial Insemination, 1988, vol. 3, p. 331–3.
3. Iritani A, Hosoi Y. Microfertilization by various methods in mammalian species. In: Yoshinaga K, Mori T, editors. Development of preimplantation embryos and their environment. New York: Alan R. Liss, 1989. p. 145–9.
4. Pregnancies after intracytoplasmic injection of a single spermatozoon into an oocyte;Palermo;Lancet,1992
5. High fertilization and implantation rates after intracytoplasmic sperm injection;Van Steirteghem;Hum. Reprod.,1993