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Ibáñez L, Jaramillo A, Enríquez G, Miró E, López-Bermejo A, Dunger D, de Zegher F.Ibáñez L, et al.Hum Reprod. 2007 Feb;22(2):395-400. doi: 10.1093/humrep/del395. Epub 2006 Oct 24.Hum Reprod. 2007.PMID: 17062583