Angerame, D., M. De Biasi, V. Franco, L. Bevilacqua, and A. Castaldo. “A Two-Year Report of a Comparative Randomized Controlled Trial on the Treatment of Upper Central Incisors With Periapical Lesions”. Giornale Italiano Di Endodonzia, vol. 31, no. 1, June 2017, pp. 14-20, doi:10.32067/gie.2017.31.01.03.