T. . AHMAD, A. . NOOR, I. . ULLAH, S. . MALIK, W. . ALI, and I. . SALEEM, “Predictive Role of C-Reactive Protein Ferritin D-Dimer and Interleukin-6 in Determining COVID-19 Severity and Outcomes”, Pakistan Journal of Medical & Health Sciences, vol. 20, no. 02, pp. 3–8, Feb. 2026.