@article{articleb8082e6c,
title   = {Characterization of calcium oxide in root perforation sealer materials},
author = {Estrela, Carlos and Sousa Neto, Manoel Damião de and Guedes, Orlando Aguirre and Alencar, Ana Helena Gonçalves and Duarte, Marco Antonio Hungaro and Pécora, Jesus Djalma},
year = {2012},
doi = {10.1590/S0103-64402012000500012},
journal   = {Brazilian Dental Journal}
}