Mazumder, Prosanjit, Chandan Kumar Banik, Ajit Kumar Basak, AZM Saifuddin, AKM Habibullah, and Goutam Chandra Ghosh. 2023. “Role of Oxygenation in Moderate COVID-19 Pneumonia With High Flow Nasal Cannula and Standard Non-Rebreathing Mask: A Comparative Study”. Sir Salimullah Medical College Journal 31 (2):79-85. https://doi.org/10.3329/ssmcj.v31i2.69447.