@article{matos_khoury_carvalho_martinho_bresciani_valera_2019,  title={Effect of EDTA and QMIX Ultrasonic Activation on the Reduction of Microorganisms and Endotoxins in <i>Ex Vivo</i> Human Root Canals},  volume={30},  ISSN={0103-6440},  url={https://doi.org/10.1590/0103-6440201902470},  DOI={10.1590/0103-6440201902470},  number={3},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Matos, Felipe de Souza and Khoury, Rayana Duarte and Carvalho, Cláudio Antonio Talge and Martinho, Frederico Canato and Bresciani, Eduardo and Valera, Marcia Carneiro},  year={2019},  month={May},  pages={220–226} }