@article{article50eb6169,
title   = {Evaluation of the radiopacity of some commercial and experimental root-end filling materials},
author = {Vivan, Rodrigo Ricci and Ordinola-Zapata, Ronald and Bramante, Clovis Monteiro and Bernardineli, Norberti and Garcia, Roberto Brandão and Duarte, Marco Antonio Hungaro and Moraes, Ivaldo Gomes de},
year = {2009},
doi = {10.1016/j.tripleo.2009.07.037},
journal   = {Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology}
}