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). doi: 10.37939/jrmc.v25i1.1635.