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Pharmacokinetic study to compare the absorption and tolerability of two doses of levonorgestrel following single vaginal administration of levonorgestrel in Carraguard gel: a new formulation for "dual protection" contraception.
Sitruk-Ware R, Brache V, Maguire R, Croxatto H, Kumar N, Kumar S, Montero JC, Salvatierra AM, Phillips D, Faundes A. Sitruk-Ware R, et al. Contraception. 2007 Jun;75(6):454-60. doi: 10.1016/j.contraception.2007.02.003. Epub 2007 Apr 18. Contraception. 2007. PMID: 17519152 Free PMC article. Clinical Trial.
Effect of a single vaginal administration of levonorgestrel in Carraguard gel on the ovulatory process: a potential candidate for "dual protection" emergency contraception.
Brache V, Croxatto H, Sitruk-Ware R, Maguire R, Montero JC, Kumar N, Salvatierra AM, Tejada AS, Cochón L, Forcelledo ML, Lahteenmaki P, Alvarez F, Faundes A. Brache V, et al. Contraception. 2007 Aug;76(2):111-6. doi: 10.1016/j.contraception.2007.04.005. Epub 2007 Jun 13. Contraception. 2007. PMID: 17656180 Free PMC article. Clinical Trial.