Hanif, Sadaf, Muhammad Sohaib, Syed Talha, and Asma Rayani. 2023. “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”. Pakistan Journal of Medical Sciences 39 (6). https://doi.org/10.12669/pjms.39.6.7380.