@article{levy_2009,  title={SAF no Brasil},  volume={49},  ISSN={0482-5004},  url={https://doi.org/10.1590/S0482-50042009000300001},  DOI={10.1590/S0482-50042009000300001},  number={3},  journal={Revista Brasileira de Reumatologia},  publisher={Sociedade Brasileira de Reumatologia},  author={Levy, Roger A.},  year={2009},  month={May},  pages={197–198} }