Donning N95 respirator masks during COVID-19 pandemic: look before you leap!
Colocação de máscaras (respiradores) N95 durante a pandemia de COVID-19: pense antes de agir!
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 National Health Service. Are face masks useful for preventing coronavirus? 2020. Available from: https://www.nhs.uk/conditions/coronavirus-covid-19/commonquestions/; (accessed: December 9, 2020).
 National Institute for Occupational Safety and Health, DHHS (NIOSH) U.S. How to properly put on and take off a disposable respirator. Department of Health and Human Services, Centers for Disease Control and Prevention, Publication No. 2010-133, 2010. Available from: https://www.cdc.gov/niosh/docs/2010-133/pdfs/2010-133.pdf; (accessed: December 15, 2020).
 D.J. Viscusi, M.S. Bergman, Z. Zhuang, R.E. Shaffer Evaluation of the benefit of the user seal check on N95 filtering facepiece respirator fit J Occup Environ Hyg., 9 (2012), pp. 408-416