8Trusse11 J, Sturgen K, Strickler J, et al. Comparative contraceptive efficacy of the female condom and other barrier methods. Fam Plann Perspect, 1994,26 : 66.
9Mauck CK, ALLen S, Baker JM, et al. An evaluation of the amount of nonoxynol-9 remaining in the vagina up to 4h after insertion of a vaginal contraceptive film (VCF) containing 70mg nonoxynol-9. Contraception, 1997,56 : 103.
10Rosenstein IJ,Stafford MK,Kitchen VS, et al. Effect on normal Vaginal flora of three intravaginal mierobicidal agents potentially active against human immunodeficiency virus type I. J Infect Dis, 1998,177: 1386- 1390.
