PT - JOURNAL ARTICLE AU - Li, Jie AU - Fink, James B. AU - Elshafei, Ahmad A. AU - Stewart, Laurel M. AU - Barbian, Hannah J. AU - Mirza, Sara H. AU - Al-Harthi, Lena AU - Vines, David AU - Ehrmann, Stephan TI - Placing a mask on COVID-19 patients during high-flow nasal cannula therapy reduces aerosol particle dispersion AID - 10.1183/23120541.00519-2020 DP - 2021 Jan 01 TA - ERJ Open Research PG - 00519-2020 VI - 7 IP - 1 4099 - http://openres.ersjournals.com/content/7/1/00519-2020.short 4100 - http://openres.ersjournals.com/content/7/1/00519-2020.full SO - erjor2021 Jan 01; 7