Azangookhiavi, Hassan, Safoura Ghodsi, Fatemeh Jalil, and Yalda Dadpoor. “Comparison of the Efficacy of Platelet-Rich Fibrin and Bone Allograft for Alveolar Ridge Preservation After Tooth Extraction: A Clinical Trial”. Frontiers in Dentistry 17 (July 31, 2020). Accessed September 29, 2020. https://jdt.tums.ac.ir/index.php/jdt/article/view/3019.