Arshad, A. , Alam, S. , Farooq, O., Usama, M., Waheed, A. and Mumtaz, A. 2022. Original Articles FREQUENCY OF BLOOD GROUPS AND DURATION OF HOSPITAL STAY AMONG DIFFERENT BLOOD GROUPS IN COVID-19 PATIENTS. Journal of Akhtar Saeed Medical & Dental College. 2, 2 (Feb. 2022), 78–80.