Ventura-Juncá, P., M. Santos, and J. Larraín. “Proposals for Embryonic Stem Cell Production Without Destroying Human Embryos: Scientific and Bioethical Challenges”. Acta Bioethica, vol. 15, no. 2, Jan. 2009, https://revistadematematicas.uchile.cl/index.php/AB/article/view/15749.