Devinder Kumar Vohra, Singh N, Manchanda JK, Sanjeev Davey, Arvind Trivedi, Anuradha Dave, 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 J Med Sci [Internet]. 2022 May 3 [cited 2024 Nov. 24];13(5):1-6. Available from: https://nepjol.info/index.php/AJMS/article/view/41558