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Mishell DR Jr, Guillebaud J, Westhoff C, Nelson AL, Kaunitz AM, Trussell J, Davis AJ.Mishell DR Jr, et al. Among authors: nelson al.Contraception. 2007 Jan;75(1):4-10. doi: 10.1016/j.contraception.2006.08.008. Epub 2006 Oct 13.Contraception. 2007.PMID: 17161116
Walsh TL, Frezieres RG, Nelson AL, Wraxall BG, Clark VA.Walsh TL, et al. Among authors: nelson al.Contraception. 1999 Nov;60(5):289-98. doi: 10.1016/s0010-7824(99)00098-0.Contraception. 1999.PMID: 10717781Clinical Trial.
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Perez M, Nelson AL.Perez M, et al. Among authors: nelson al.Contraception. 2007 Feb;75(2):108-11. doi: 10.1016/j.contraception.2006.09.002. Epub 2006 Oct 25.Contraception. 2007.PMID: 17241839
Jensen JT, Nelson AL, Costales AC.Jensen JT, et al. Among authors: nelson al.Contraception. 2008 Jan;77(1):22-9. doi: 10.1016/j.contraception.2007.09.006. Epub 2007 Nov 26.Contraception. 2008.PMID: 18082662Clinical Trial.
Cecil M, Nelson AL, Trussell J, Hatcher R.Cecil M, et al. Among authors: nelson al.Contraception. 2010 Dec;82(6):489-90. doi: 10.1016/j.contraception.2010.06.007. Epub 2010 Aug 2.Contraception. 2010.PMID: 21074009Free PMC article.No abstract available.