@article{articleacfac77c,
title   = {Evaluation of radiopacity and microhardness of composites submitted to artificial aging},
author = {Cruvinel, Diogo Rodrigues and Garcia, Lucas da Fonseca Roberti and Casemiro, Luciana Assirati and Pardini, Luiz Carlos and Pires-de-Souza, Fernanda de Carvalho Panzeri},
year = {2007},
doi = {10.1590/s1516-14392007000300021},
journal   = {Materials Research}
}