Demurtas, P., Perra, M., Maxia, C., Minerba, L., Zucca, I., Fossarello, M., … Sirigu, P. (2010). ACE I and ACE II: immunohistochemical study in primary pterygium. Italian Journal of Anatomy and Embryology, 115(1/2), 50. https://doi.org/10.36253/ijae-4435