Sehar Khaliq , Kiran Fatima Farooq , Wajid Hussain ,Sami Saeed. (2021). Absolute Lymphocyte Count and its Correlation with Serum Ferritin Level: An early indicator of disease severity in COVID-19. Journal of Rawalpindi Medical College, 25(1). https://doi.org/10.37939/jrmc.v25i1.1635