HANIF, Sadaf; SOHAIB, Muhammad; TALHA, Syed; RAYANI, Asma. 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, [S. l.], v. 39, n. 6, 2023. DOI: 10.12669/pjms.39.6.7380. Disponível em: https://pjms.org.pk/index.php/pjms/article/view/7380. Acesso em: 9 feb. 2026.