Pham, Phuc, Ngoc Vu, Thuy Dao, Ha Le, Lan Phi, and Ngoc Phan. “Co-Injection of ETV-2 and HGF Viral Vectors Significantly Improve Angiogenesis in Mice With Hindlimb Ischemia”. Progress in Stem Cell 4, no. 01 (July 23, 2017): 189-200. Accessed October 18, 2019. http://www.cellstemcell.org/index.php/PSC/article/view/193.