@article{articled54828b5,
title   = {Accuracy of working length determination using 3 electronic apex locators and direct digital radiography},
author = {Real, Denis Gonçalves and Davidowicz, Harry and Moura-Netto, Cacio and Zenkner, Clacir de Lourdes Londero and Pagliarin, Claudia Medianeira Londero and Barletta, Fernando Branco and Moura, Abílio Albuquerque Maranhão de},
year = {2011},
doi = {10.1016/j.tripleo.2010.10.033},
journal   = {Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology}
}