A. A. Izzati, U. A. Setyawan, and R. Tantular, “Analysis of C-Reactive Protein, Neutrophil-to-Lymphocyte Ratio, PaO2/FiO2 Ratio on the Success of High Flow Nasal Cannula Usage in Hospitalized COVID-19 Patients”, Respir Scie, vol. 3, no. 3, pp. 177-184, Jun. 2023.