Shaterian, N., Abdi, F., Atarodi Kashani, Z., Shaterian, N. and Darvishmotevalli, M. 2021. Facemask and Respirator in Reducing the Spread of Respiratory Viruses; a Systematic Review. Archives of Academic Emergency Medicine. 9, 1 (Aug. 2021), e56. DOI:https://doi.org/10.22037/aaem.v9i1.1286.