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Covington SN, Martinez PE, Popat V, Nandagopal R, Ryan M, Nelson LM.Covington SN, et al. Among authors: nelson lm.Ann N Y Acad Sci. 2008;1135:155-62. doi: 10.1196/annals.1429.016.Ann N Y Acad Sci. 2008.PMID: 18574221Free PMC article.Review.
Popat VB, Prodanov T, Calis KA, Nelson LM.Popat VB, et al. Among authors: nelson lm.Ann N Y Acad Sci. 2008;1135:43-51. doi: 10.1196/annals.1429.040.Ann N Y Acad Sci. 2008.PMID: 18574207Free PMC article.Review.
Orshan SA, Ventura JL, Covington SN, Vanderhoof VH, Troendle JF, Nelson LM.Orshan SA, et al. Among authors: nelson lm.Fertil Steril. 2009 Aug;92(2):688-93. doi: 10.1016/j.fertnstert.2008.07.1718. Epub 2008 Oct 1.Fertil Steril. 2009.PMID: 18829005Free PMC article.
Davis M, Ventura JL, Wieners M, Covington SN, Vanderhoof VH, Ryan ME, Koziol DE, Popat VB, Nelson LM.Davis M, et al. Among authors: nelson lm.Fertil Steril. 2010 May 1;93(7):2321-9. doi: 10.1016/j.fertnstert.2008.12.122. Epub 2009 Feb 24.Fertil Steril. 2010.PMID: 19243752Free PMC article.
Ventura JL, Fitzgerald OR, Koziol DE, Covington SN, Vanderhoof VH, Calis KA, Nelson LM.Ventura JL, et al. Among authors: nelson lm.Fertil Steril. 2007 Mar;87(3):584-90. doi: 10.1016/j.fertnstert.2006.07.1523. Epub 2007 Jan 29.Fertil Steril. 2007.PMID: 17258712Free article.