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Cerrillo M, Pacheco A, Rodríguez S, Gómez R, Delgado F, Pellicer A, Garcia-Velasco JA.Cerrillo M, et al.Fertil Steril. 2011 Jun 30;95(8):2517-9. doi: 10.1016/j.fertnstert.2010.12.054. Epub 2011 Jan 26.Fertil Steril. 2011.PMID: 21269615Free article.