Maxia, C., Murtas, D., Corrias, M., Zucca, I., Minerba, L., Piras, F., Marinelli, C. and Perra, M. T. (2017) “Vitamin D and vitamin D receptor in patients with ophthalmic pterygium”, European Journal of Histochemistry, 61(4). doi: 10.4081/ejh.2017.2837.