@article{articled6b29b3d,
title   = {Ex vivo accuracy of an apex locator using digital signal processing in primary teeth},
author = {Leonardo, Mário Roberto and Silva, Léa Assed Bezerra da and Nelson Filho, Paulo and Silva, Raquel Assed Bezerra da and Lucisano, Marília Pacífico},
year = {2009},
journal   = {Pediatric Dentristy}
}