Mohammadzadeh Akhlaghi, Nahid, Nahid Rahimifard, Amirabbas Moshari, Mehdi Vatanpour, and Soheila Darmiani. “The Effect of Size and Taper of Apical Preparation in Reducing Intra-Canal Bacteria: A Quantitative SEM Study”. Iranian Endodontic Journal 9, no. 1 (December 22, 2013): 61-65. Accessed January 16, 2021. https://journals.sbmu.ac.ir/iej/article/view/4327.