@article{articlea005555b,
title   = {Morphologic micro–computed tomography analysis of mandibular premolars with three root canals},
author = {Ordinola-Zapata, Ronald and Bramante, Clóvis Monteiro and Villas-Boas, Marcelo Haas and Cavenago, Bruno Cavalini and Duarte, Marco Antonio Hungaro and Versiani, Marco Aurélio},
year = {2013},
doi = {10.1016/j.joen.2013.02.007},
journal   = {Journal of Endodontics}
}