@article{joaquim_2016,  title={Initial approach to patients with acute lower back pain},  volume={62},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.62.02.188},  DOI={10.1590/1806-9282.62.02.188},  number={2},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Joaquim, Andrei Fernandes},  year={2016},  month={Mar},  pages={186–191} }