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]. 2023 Jun. 25 [cited 2026 Jul. 16];7(2):3-7. Available from: https://pjkd.com.pk/index.php/pjkd/article/view/221