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Stöbel-Richter Y, Goldschmidt S, Brähler E, Weidner K, Beutel M.Stöbel-Richter Y, et al. Among authors: weidner k.Fertil Steril. 2009 Jul;92(1):124-30. doi: 10.1016/j.fertnstert.2008.05.015. Epub 2008 Aug 5.Fertil Steril. 2009.PMID: 18684445Free article.