@article{santos_torres_cardoso_pandis_flores-mir_medeiros_normando_2020,  title={Are cloth masks a substitute to medical masks in reducing transmission and contamination? A systematic review},  volume={34},  ISSN={1806-8324},  url={https://doi.org/10.1590/1807-3107bor-2020.vol34.0123},  DOI={10.1590/1807-3107bor-2020.vol34.0123},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Santos, Milena and Torres, Darlyane and Cardoso, Paula Coutinho and Pandis, Nikolaos and Flores-Mir, Carlos and Medeiros, Rita and Normando, Antonio David},  year={2020},  pages={e123} }