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Wallin A, Ghahremani M, Dahm-Kähler P, Brännström M.Wallin A, et al.Hum Reprod. 2009 Jul;24(7):1684-94. doi: 10.1093/humrep/dep060. Epub 2009 Mar 11.Hum Reprod. 2009.PMID: 19279039