Toori, Kaleem Ullah, Muhammad Arsalan Qureshi, Asma Chaudhry, and Muhammad Farhan Safdar. “Neutrophil to Lymphocyte Ratio (NLR) in COVID-19: A cheap Prognostic Marker in a Resource Constraint Setting”. Pakistan Journal of Medical Sciences 37, no. 5 (July 16, 2021). Accessed March 29, 2024. https://www.pjms.org.pk/index.php/pjms/article/view/4194.