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2. Gamete intra-fallopian transfer (GIFT): a new treatment for infertility;Asch;Int. J. Fertil.,1985
3. Intratubal insemination;Berger;Proc. Amer. Fertil. Soc. Toronto, Canada.,1986
4. The sperm-mice test;Drevias;J. Reprod. Fertil.,1971
5. Effect of caffeine on motility, velocity, oxygen consumption and glycolysis of ejaculated human normokynetic spermatozoa;Homonnai;Int. J. Fertil.,1976