(1)
de Morais, A. L. G.; de Alencar, A. H. G.; Estrela, C. R. de A.; Decurcio, D. A.; Estrela, C. Working Length Determination Using Cone-Beam Computed Tomography, Periapical Radiography and Electronic Apex Locator in Teeth With Apical Periodontitis: A Clinical Study. Iran Endod J 2016, 11, 164-168.