Wagley, P., Adhikari, S., Bhattarai, M. D., Gauli, B., Gurung, S., Patel, S., & Puri, N. (2022). Study of oxygen delivery methods use in the COVID-19 patients. Journal of Chitwan Medical College, 12(1), 91-97. https://www.nepjol.info/index.php/JCMC/article/view/43815