@article{pereira_nabeshima_machado_2011,  title={Analysis of contamination of endodontic absorbent paper points},  volume={26},  ISSN={1980-6523},  url={https://doi.org/10.1590/S1980-65232011000100013},  DOI={10.1590/S1980-65232011000100013},  number={1},  journal={Revista Odonto Ciência},  publisher={Pontifícia Universidade Católica do Rio Grande do Sul},  author={Pereira, Érica Rodrigues and Nabeshima, Cleber Keiti and Machado, Manoel Eduardo de Lima},  year={2011},  pages={56–60} }