Madani, Z. S., A. Haddadi, S. Haghanifar, and A. Bijani. “Cone-Beam Computed Tomography for Evaluation of Apical Transportation in Root Canals Prepared by Two Rotary Systems”. Iranian Endodontic Journal, vol. 9, no. 2, Mar. 2014, pp. 109-12, doi:10.22037/iej.v9i2.4168.