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Contraception|March 12, 1998
Colposcopic evaluation of a vaginal gel formulation of iota-carrageenanC J Elias, C Coggins, F Alvarez, et al.
Climacteric : the Journal of the International Menopause Society|July 21, 2010
Endometrial effect of progesterone delivered by vaginal rings in estrogen-treated postmenopausal womenG Noé, R Sitruk-Ware, F Zegers-Hochschild, et al.
Contraception|September 6, 2001
Levonorgestrel concentrations during 7 years of continuous use of Jadelle contraceptive implantsI Sivin, L Wan, S Ranta, et al.
Contraception|May 29, 2000
Prolonged effectiveness of Norplant(R) capsule implants: a 7-year studyI Sivin, D R Mishell, S Diaz, et al.
Contraception|April 29, 1998
Norplant consensus statement and background reviewI S Fraser, A Tiitinen, B Affandi, et al.
Contraception|February 1, 1997
Levonorgestrel concentrations during use of levonorgestrel rod (LNG ROD) implantsI Sivin, P Lähteenmäki, S Ranta, et al.
Contraception|April 1, 1997
Contraceptives for lactating women: a comparative trial of a progesterone-releasing vaginal ring and the copper T 380A IUDI Sivin, S Díaz, H B Croxatto, et al.
Contraception|October 1, 1981
A multicenter study of levonorgestrel-estradiol contraceptive vaginal rings. III-Menstrual patterns. An international comparative trialI Sivin, D R Mishell, A Victor, et al.
Contraception|October 1, 1981
A multicenter study of levonorgestrel-estradiol contraceptive vaginal rings. II-Subjective and objective measures of effects. An international comparative trialI Sivin, D R Mishell, A Victor, et al.
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