Tofangchiha, M., M. Bolbolian, S. Rahrovan, M. Mirzadeh, and N. Hajihassani. “Cone-Beam Computed Tomographic Evaluation of Artifact Effects of Three Different Sealers”. Iranian Endodontic Journal, vol. 13, no. 4, Oct. 2018, pp. 545-8, doi:10.22037/iej.v13i4.19743.