Muhammad Salman, Sarah Hameed, Husnain Hashim, Tahir Mukhtar Sayed, Asma Ashraf, Syed Imad Hussain. “Factors Linked With an Increased Risk of Death in Patients With Covid-19”. Pakistan Journal of Medical & Health Sciences 16, no. 09 (November 8, 2022): 550. Accessed September 28, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/2843.