Maxia, Cristina, Michela Corrias, Daniela Murtas, Paolo Demurtas, Ignazio Zucca, Cristiana Marinelli, Franca Piras, and Maria Perra. 2015. “Immunohistochemical Detection of Vitamin D Receptor in Pterygium”. Italian Journal of Anatomy and Embryology 120 (1):47. https://oajournals.fupress.net/index.php/ijae/article/view/4001.