@article{floriano_silvinato_bacha_barbosa_tanni_bernardo_2023,  title={Effectiveness of wearing masks during the COVID-19 outbreak in cohort and case-control studies: a systematic review and meta-analysis},  volume={49},  ISSN={1806-3713},  url={https://doi.org/10.36416/1806-3756/e20230003},  DOI={10.36416/1806-3756/e20230003},  number={6},  journal={Jornal Brasileiro de Pneumologia},  publisher={Sociedade Brasileira de Pneumologia e Tisiologia},  author={Floriano, Idevaldo and Silvinato, Antônio and Bacha, Hélio Arthur and Barbosa, Alexandre Naime and Tanni, Suzana and Bernardo, Wanderley Marques},  year={2023},  pages={e20230003} }