Contraception · 1992 · 36 citations · 5 references
MedicineGynecologyObstetricsContraceptionReproductive BiologyReproductive EndocrinologyContraceptive EndocrinologyContraceptive MethodsContraceptive SafetyFemale ContraceptionHormonal ContraceptionReproductive PharmacologyEstrogen-progestin ContraceptionVaginal MicrobicidesVaginal Safety
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Quantitative Bacteriology of the Vaginal Flora
John G. Bartlett, Andrew B. Onderdonk, Ellen Drude et al. · The Journal of Infectious Diseases · 1977 · 305 citations
Microdose intravaginal levonorgestrel contraception: A multicentre clinical trial
Suporn Koetsawang, Ji Gao, U. Krishna et al. · Contraception · 1990 · 89 citations
Medicine, Gynecology, Obstetrics +13