@article{wu_zhang_yu_2020,  title={Pedro Pons’ sign of brucellar spondylitis},  volume={53},  ISSN={0037-8682},  url={https://doi.org/10.1590/0037-8682-0561-2019},  DOI={10.1590/0037-8682-0561-2019},  journal={Revista da Sociedade Brasileira de Medicina Tropical},  publisher={Sociedade Brasileira de Medicina Tropical - SBMT},  author={Wu, Na and Zhang, Yi and Yu, Yong-Sheng},  year={2020},  pages={e20190561} }