Chen R, Wang T, Rao K, Yang J, Zhang S, Wang S, Liu J, Ye Z (October 2011). "Up-regulation of VEGF by small activator RNA in human corpus cavernosum smooth muscle cells". The Journal of Sexual Medicine. 8 (10): 2773–80. doi:10.1111/j.1743-6109.2011.02412.x. PMID21819543.
Chen R, Wang T, Rao K, Yang J, Zhang S, Wang S, Liu J, Ye Z (October 2011). "Up-regulation of VEGF by small activator RNA in human corpus cavernosum smooth muscle cells". The Journal of Sexual Medicine. 8 (10): 2773–80. doi:10.1111/j.1743-6109.2011.02412.x. PMID21819543.