@article{article7fd24304,
title   = {Quality of periapical radiographs taken by undergraduate students during endodontic treatment},
author = {Felippe, Mara Cristina Santos and Nassri, Maria Renata Giazzi and Burgos, Patricia Guillen and Freitas, Sérgio Fernando Torres de and Lage Marques, José Luiz Silva},
year = {2009},
journal   = {RSBO : revista sul-brasileira de odontologia}
}