@article{nunes_2002,  title={O índice bispectral},  volume={52},  ISSN={0034-7094},  url={https://doi.org/10.1590/S0034-70942002000300016},  DOI={10.1590/S0034-70942002000300016},  number={3},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Nunes, Rogean Rodrigues},  year={2002},  month={May},  pages={382–383} }