Devinder Kumar Vohra, Nawab Singh, Manchanda JK, Sanjeev Davey, Arvind Trivedi, Anuradha Dave, and Kayanat Nasser. “A Comparative Study of Wave 1 and 2 Mortality Factors Among COVID-19 Patients in a Level 3 Medical College Hospital in Saharanpur India”. Asian Journal of Medical Sciences 13, no. 5 (May 3, 2022): 1–6. Accessed June 16, 2024. https://www.nepjol.info/index.php/AJMS/article/view/41558.