References
- Pierce E T, Smalky M, Alper M M, Hunter J A, Amrhein R L, Pierce E C. Comparison of pregnancy rates following gamete intrafallopian transfer (GIFT) under general anesthesia with thiopental sodium or propofol. J Cli. Anesth 1992; 4: 394–398
- Silva P D, Kang S B, Sloane K A. Gamete intrafallopian transfer with spinal anesthesia. Ferti. Steril 1993; 59: 841–843
- Soldati G A, Piffaretti-Yanez A, Medici G, Eppenberger U, Balerna M. Purification of a factor from human peritoneal fluid that is able to immobilize spermatozoa. Hu. Reprod 1993; 8: 428–436
- World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction (1993). Cambridge University Press, CambridgeUK 1993