RT Journal Article SR Electronic T1 Exhaled air dispersion and use of oronasal masks with continuous positive airway pressure during COVID-19 JF European Respiratory Review JO EUROPEAN RESPIRATORY REVIEW FD European Respiratory Society SP 200144 DO 10.1183/16000617.0144-2020 VO 29 IS 157 A1 Shannon S. Sullivan A1 Indira Gurubhagavatula A1 , YR 2020 UL http://err.ersjournals.com/content/29/157/200144.abstract AB