@article{articleb24fb19e,
title   = {Influence of preflaring on the accuracy of length determination with four electronic apex locators},
author = {Camargo, Éricson Janolio de and Zapata, Ronald Ordinola and Medeiros, Paulo Leal and Bramante, Clóvis Monteiro and Bernardineli, Norberti and Garcia, Roberto Brandão and Moraes, Ivaldo Gomes de and Duarte, Marco Antônio Húngaro},
year = {2009},
doi = {10.1016/j.joen.2009.05.030},
journal   = {Journal of Endodontics}
}