Bhuiyan, Mohammad Abdul Quddus, Md Zukfikkar Alam, Md Nurun Nabi, and Umar Rashed Munir. “Clinical Characteristics and Risk Factors Analysis of COVID-19 Infections- A Single Center Observational Study”. Journal of Armed Forces Medical College, Bangladesh 18, no. 2 (August 21, 2023): 19–23. Accessed July 17, 2024. https://banglajol.info/index.php/JAFMC/article/view/63989.