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Murkes D, Conner P, Leifland K, Tani E, Beliard A, Lundström E, Söderqvist G.Murkes D, et al.Fertil Steril. 2011 Mar 1;95(3):1188-91. doi: 10.1016/j.fertnstert.2010.09.062. Epub 2010 Nov 10.Fertil Steril. 2011.PMID: 21067727Free article.Clinical Trial.