Felmer, R., and M. E. Arias. “Advances in the Development of a Noninvasive Embryo Model for the Evaluation of the Quality of Cloned Embryos Subjected to Different Treatments”. Electronic Journal of Biotechnology, vol. 11, no. 5, Dec. 2008, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v11n5-5.