@article{vale_2006,  title={Analgesia adjuvante e alternativa},  volume={56},  ISSN={0034-7094},  url={https://doi.org/10.1590/S0034-70942006000500012},  DOI={10.1590/S0034-70942006000500012},  number={5},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Vale, Nilton Bezerra do},  year={2006},  month={Sep},  pages={530–555} }