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Citation: I. Sivin et al., Levonorgestrel concentrations during 7 years of continuous use of Jadelle contraceptive implants, CONTRACEPT, 64(1), 2001, pp. 43-49

Authors: Sivin, I Alvarez, F Mishell, DR Darney, P Wan, LV Brache, V Lacarra, M Klaisle, C Stern, J

Citation: I. Sivin et al., Contraception with two levonorgestrel rod implants - A 5-year study in theUnited States and Dominican Republic, CONTRACEPT, 58(5), 1998, pp. 275-282