Khademi, A. et al. 2017. Root Morphology and Canal Configuration of First and Second Maxillary Molars in a Selected Iranian Population: A Cone-Beam Computed Tomography Evaluation. Iranian Endodontic Journal. 12, 3 (Jul. 2017), 288–292. DOI:https://doi.org/10.22037/iej.v12i3.13708.