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Military gas mask to protect surgeons when performing tracheotomies on patients with COVID-19

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  • Contributors J-BC: writing, literature search, data analysis. NS: critical revision. AC: literature search, responsible for simulation. ND: device manager, data analysis. GB: surgical team manager. PH: study design, critical revision. CH: critical revision, device manager, data analysis.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.