1. BamesR.C. and HolmesK.K. (1984). Epidemiology of gonorrhea: current perspectives.Epidemiol. Rev.,6, 1–30
2. HatcherR.A., GuestF., StewartF. et al. (1988–1989).Contraceptive Technology, 14th edn. Irvington Publishers Inc., New York, pp. 18–20
3. BoundsW., GuillebaudJ., StewartL. and SteeleS. (1988). A female condom (Femshield): a study of its user-acceptability.Br. J. Fam. Plann.,14, 83–87