@article{article28761926,
title   = {Supplementary steps for removing hard tissue debris from isthmus-containing canal systems},
author = {Keles, Ali and Alçin, Hatice and Sousa Neto, Manoel Damião de and Versiani, Marco Aurélio},
year = {2016},
doi = {10.1016/j.joen.2016.07.025},
journal   = {Journal of Endodontics}
}