RICHARZ, H.-U.; MENDES, A. J.; HINCAPIE ARIAS, S. M.; SANTOS CURY MARDUY, A. M.; CHOTTERA, S. A.; YANQUE ROBLES, O. F.; DE MOURA BRASIL MATOS, A.; GOMES, A. C.; HENRIQUES CARVALHO, V.; BOTTAMEDI RATTO GUIMARAES, P.; GRIGORESCU VLASS, M. S.; MOTOYAMA CAIADO, A. H.; BOTO, A. A.; ROSARIO DIAZ, E.; COLLETI JUNIOR, J.; CHAVES, N. COVID-19 – The efficacy of the LEAF-mask measured by assessing the viral load of the mask’s inner and outer surface used by nurses in ICUs compared to the N95: a phase II, multicenter, randomized, controlled, open-label, clinical trial protocol. Principles and Practice of Clinical Research, [S. l.], v. 7, n. 1, 2021. DOI: 10.21801/ppcrj.2021.71.1. Disponível em: https://journal2.teste.pro.br/index.php/ppcrjournal/article/view/128. Acesso em: 20 sep. 2024.