Küçük M, Ergan B, Yakar Nuri M, Ergün B, Akdoğan Y, Cantürk A, Gezer Sinem N, Kalkan F, Yaka E, Cömert B, Gökmen Ali N. The Predictive Values of Respiratory Rate Oxygenation Index and Chest Computed Tomography Severity Score for High-Flow Nasal Oxygen Failure in Critically Ill Patients with Coronavirus Disease-2019. Balkan Med J 2022;39:140-147