Bassam Khalid, Hassam Anjum Mir, Taimoor Saleem, Umer Naseer, Asif Hashmat, Khurshid Muhammad Uttra. Comparison of Diagnostic Accuracy of CRP Versus Ferritin in COVID Patients As a Marker of Severity of Disease Taking Who Severity Classification As Gold Standard. Pakistan Journal of Medical & Health Sciences 2023, 17, 573.