Y. Ghahramani, B. Safarzade Haghighi, A. Abbaszadegan, and S. Shahidi, “Cone-Beam Computed Tomographic Evaluation of Radicular Grooves in Maxillary Anterior Teeth in a Selected Iranian Population”, Iran Endod J, vol. 13, no. 4, pp. 503–507, Oct. 2018.