@article{zanuto_fernandes_turi-lynch_castoldi_morais_silva_codogno_2020,  title={Chronic low back pain and physical activity among patients within the Brazilian National Health System: a cross-sectional study},  volume={138},  ISSN={1516-3180},  url={https://doi.org/10.1590/1516-3180.2019.0312.R1.19112019},  DOI={10.1590/1516-3180.2019.0312.R1.19112019},  number={2},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Zanuto, Everton Alex Carvalho and Fernandes, Rômulo Araújo and Turi-Lynch, Bruna Camilo and Castoldi, Robson Chacon and Morais, Luana Carolina de and Silva, Pedro Victor Tonicante da and Codogno, Jamile Sanches},  year={2020},  month={Mar},  pages={106–111} }