S. Pradhan, A. R. Upreti, S. Upadhyaya, M. Oli, A. Shrestha, and Y. v, “Characteristics and Outcomes of COVID-19 Patients Admitted to Adult Intensive Care Unit: A Single-Center Observational Study from the Second Wave in Nepal”, J Inst Med Nepal, vol. 43, no. 3, pp. 71–77, Dec. 2021.