“Apical Surgery Vs Apical Surgery With Simultaneous Orthograde Retreatment: A Prospective Cohort Clinical Study of Teeth Affected by Persistent Periapical Lesion”. Giornale Italiano di Endodonzia 32, no. 1 (June 30, 2018): 2–8. Accessed October 11, 2025. https://www.giornaleitalianoendodonzia.it/gie/article/view/9.