RT Journal Article SR Electronic T1 Reply to: Awake prone positioning in non-intubated patients with acute hypoxemic respiratory failure due to COVID-19: A systematic review of proportional outcomes comparing observational studies with and without awake prone positioning in the setting of COVID-19. JF Respiratory Care FD American Association for Respiratory Care SP respcare.09547 DO 10.4187/respcare.09547 A1 Mancilla-Galindo, Javier A1 Kammar-García, Ashuin A1 Zamarrón-López, Eder I. A1 Guerrero-Gutiérrez, Manuel A. A1 Escarramán-Martínez, Diego A1 Pérez-Nieto, Orlando R. YR 2021 UL http://rc.rcjournal.com/content/early/2021/09/03/respcare.09547.abstract