@article{siqueira jr_rôças_2007,  title={Bacterial pathogenesis and mediators in apical periodontitis},  volume={18},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402007000400001},  DOI={10.1590/S0103-64402007000400001},  number={4},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Siqueira Jr, José F. and Rôças, Isabela N.},  year={2007},  pages={267–280} }