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Contraception|October 1, 1978
Long acting contraceptive implants. An analysis of menstrual bleeding patternsA Faundes, I Sivin, J SternContraception|October 1, 1981
Lipoprotein patterns in women in Santo Domingo using a levonorgestrel/estradiol contraceptive ringD N Robertson, F Alvarez, I Sivin, et al.Fertility and Sterility|January 1, 1994
Health during prolonged use of levonorgestrel 20 micrograms/d and the copper TCu 380Ag intrauterine contraceptive devices: a multicenter study. International Committee for Contraception Research (ICCR)I Sivin, J SternContraception|March 1, 1987
Two years of intrauterine contraception with levonorgestrel and with copper: a randomized comparison of the TCu 380Ag and levonorgestrel 20 mcg/day devicesI Sivin, J Stern, J Diaz, et al.Contraception|July 1, 1990
Clinical assessment of treatments for prolonged bleeding in users of Norplant implantsS Díaz, H B Croxatto, M Pavez, et al.Obstetrics and Gynecology|August 1, 1991
Dose- and age-dependent ectopic pregnancy risks with intrauterine contraceptionI SivinContraception|February 1, 1979
Copper T IUD use and ectopic pregnancy rates in the United StatesI SivinContraception|July 1, 1993
Another look at the Dalkon Shield: meta-analysis underscores its problemsI SivinInternational Journal of Gynaecology and Obstetrics: the Official Organ of the International Federation of Gynaecology and Obstetrics|January 1, 1978
Measuring contraceptive efficacy and side effectsI SivinStudies in Family Planning|March 1, 1988
International experience with NORPLANT and NORPLANT-2 contraceptivesI SivinPageof 122