Ojalvo, A. G., A. Seralena, R. Vázquez, J. F. Montequín, N. S. Vispo, R. Silva, A. Aldama, Y. Puchades, L. T. Sorell, P. Lopez-Saura, M. A. Alfonso, R. Simón, A. Alí, A. Seuc, and L. Herrera. “Therapeutic Angiogenesis Following Intramuscular Gene Transfer of Vascular Endothelialgrowth Factor 121 in a Dog Model of Hindlimb Ischemia”. Electronic Journal of Biotechnology, vol. 6, no. 3, Dec. 2003, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v6n3-2.