Das, M. ., Das, S. ., Bhuiyan, A. T., Nath, S. D. ., Biswas, R. ., Gupta, J. D., Ball, A. ., Alam, M. J., Karim, M. H., Nath, R. K., & Saha, A. (2021). Factors affecting the outcome of the usage of high-flow nasal cannula on severe or critically ill COVID-19 patients: a multicentric study from a developing nation. Asian Journal of Medical and Biological Research, 7(3), 260–272. https://doi.org/10.3329/ajmbr.v7i3.56136