Saleem, Ibrahim A. “The Proportion and Risk Factors of Fatal Outcomes Among Severely and Critically Ill COVID-19 Patients: A Hospital Experience, Baghdad, Iraq 2021”. Journal of the Faculty of Medicine Baghdad 63, no. 4 (January 5, 2022): 145–151. Accessed November 21, 2024. https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1857.