La Rocca, G., R. Anzalone, M. Lo Iacono, S. Corrao, F. Magno, T. Loria, A. Di Stefano, M. Colombo, P. Giannuzzi, G. Zummo, and F. Farina. “Extending the Usefulness of Extraembryonic Mesenchymal Stem Cells in Regenerative Medicine: Expression of Novel Markers, Immunoregulatory Molecules, and Novel Differentiation Capacity”. Italian Journal of Anatomy and Embryology, vol. 115, no. 1/2, Nov. 2010, p. 82, https://oajournals.fupress.net/index.php/ijae/article/view/4467.