Kazemipoor, Maryam, Shaghayegh Azad, and Farnaz Farahat. “Concurrent Effects of Bleaching Materials and the Size of Root Canal Preparation on Cervical Dentin Microhardness”. Iranian Endodontic Journal 12, no. 3 (July 2, 2017): 298-302. Accessed January 22, 2021. https://journals.sbmu.ac.ir/iej/article/view/15774.