Alam, Mohammad Shah, Mohammad Nazmol Hasan, Zannatul Maowa, Fahima Khatun, K H M Nazmul Hussain Nazir, and Mohammad Zahangeer Alam. “N-Acetylcysteine Reduces Severity and Mortality in COVID-19 Patients: A Systematic Review and Meta-Analysis”. Journal of Advanced Veterinary and Animal Research 10, no. 2 (June 30, 2023): 157–168. Accessed September 6, 2025. https://banglajol.info/index.php/JAVAR/article/view/80383.