DOI:
10.1055/s-00000012
Endoscopy
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References
Bartoszko JJ, Farooqi MAM, Alhazzani W. et al.
Medical masks vs N95 respirators for preventing COVID-19 in healthcare workers: A systematic review and meta-analysis of randomized trials.
Influenza Other Respir Viruses 2020;
14: 365-373
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