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Durand M, del Carmen Cravioto M, Raymond EG, Durán-Sánchez O, De la Luz Cruz-Hinojosa M, Castell-Rodríguez A, Schiavon R, Larrea F.Durand M, et al.Contraception. 2001 Oct;64(4):227-34. doi: 10.1016/s0010-7824(01)00250-5.Contraception. 2001.PMID: 11747872Clinical Trial.
Durand M, Koistinen R, Chirinos M, Rodríguez JL, Zambrano E, Seppälä M, Larrea F.Durand M, et al.Contraception. 2010 Dec;82(6):526-33. doi: 10.1016/j.contraception.2010.05.015. Epub 2010 Aug 4.Contraception. 2010.PMID: 21074015Clinical Trial.