Demurtas, P., M. Corrias, I. Zucca, C. Maxia, F. Piras, P. Sirigu, and M.T. Perra. “Angiotensin II: Immunohistochemical Study in Sardinian Pterygium”. European Journal of Histochemistry 58, no. 3 (July 28, 2014). Accessed May 10, 2021. https://www.ejh.it/index.php/ejh/article/view/2426.