RT Journal Article SR Electronic T1 Early Variation of ROX Index Predicts High-Flow Nasal Cannula Outcome in Awake Subjects With Severe Hypoxemic COVID-19 JF Respiratory Care FD American Association for Respiratory Care SP 110 OP 113 DO 10.4187/respcare.10125 VO 68 IS 1 A1 Fekri Abroug A1 Zeineb Hammouda A1 Manel Lahmar A1 Wiem Nouira A1 Syrine Maatouk A1 Sourour Belhaj Youssef A1 Fahmi Dachraoui A1 Laurent Brochard A1 Lamia Ouanes-Besbes YR 2023 UL http://rc.rcjournal.com/content/68/1/110.abstract AB