RT Journal Article SR Electronic T1 High-flow nasal cannula for COVID-19 patients: low risk of bio-aerosol dispersion JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2000892 DO 10.1183/13993003.00892-2020 VO 55 IS 5 A1 Jie Li A1 James B. Fink A1 Stephan Ehrmann YR 2020 UL http://erj.ersjournals.com/content/55/5/2000892.abstract AB