K. Sturgen

Prevention of IUD-related pelvic infection: the efficacy of prophylactic doxycycline at IUD insertion

Ladipo Oa, E. Otolorin, J. Konje, 1991, Advances in contraception : the official journal of the Society for the Advancement of Contraception.

Comparative contraceptive efficacy of the female condom and other barrier methods.

J. Trussell, J. Strickler, R. Dominik, 1994, Family planning perspectives.

Lea's Shield: a study of the safety and efficacy of a new vaginal barrier contraceptive used with and without spermicide.

C. Mauck, D. Archer, S. Allen, 1996, Contraception.

Contraceptive efficacy and acceptability of the female condom.

H. Gabelnick, L. Dorflinger, G. Farr, 1994, American journal of public health.