Haider A, Shalim E, Afzal S. Risk Factors and Outcome of Acute Kidney Injury in Critical COVID-19 patients in Karachi, Pakistan: A Single center, Retrospective study. Pak J Kidney Dis [Internet]. 2023Jun.25 [cited 2026Apr.17];7(2):3-7. Available from: http://pjkd.com.pk/index.php/pjkd/article/view/221