Hanif S, Sohaib M, Talha S, Rayani A. Frequency of extra pulmonary complications in critically ill COVID-19 patients and their association with inflammatory markers and hypoxia: Retrospective analysis at a tertiary care hospital in Karachi, Pakistan. Pak J Med Sci [Internet]. 2023Sep.23 [cited 2024May13];39(6). Available from: https://pjms.org.pk/index.php/pjms/article/view/7380