@article{barbosa_graziano_2006, title={Influence of wearing time on efficacy of disposable surgical masks as microbial barrier}, volume={37}, ISSN={1517-8382}, url={https://doi.org/10.1590/S1517-83822006000300003}, DOI={10.1590/S1517-83822006000300003}, number={3}, journal={Brazilian Journal of Microbiology}, publisher={Sociedade Brasileira de Microbiologia}, author={Barbosa, Maria Helena and Graziano, Kazuko Uchikawa}, year={2006}, month={July}, pages={216–217} }