@article{silva_leonardo_faccioli_medeiros_nelson-filho_2007,  title={Effect of different methods of sterilization on the inactivation of bacterial endotoxin (LPS) in endodontic files},  volume={38},  ISSN={1517-8382},  url={https://doi.org/10.1590/S1517-83822007000200015},  DOI={10.1590/S1517-83822007000200015},  number={2},  journal={Brazilian Journal of Microbiology},  publisher={Sociedade Brasileira de Microbiologia},  author={Silva, Raquel Assed Bezerra da and Leonardo, Mário Roberto and Faccioli, Lúcia Helena and Medeiros, Alexandra Ivo and Nelson-Filho, Paulo},  year={2007},  month={Apr},  pages={270–272} }