Alam, U. K.; Kadri, S. .; Ahmed, N. .; Memon, M. A. .; Mehmood, T. . Chest X-Ray (First Tool of Imaging) in COVID-19 Patients Radiological and Clinical Correlation - A Tertiary Care Experience at Jinnah Postgraduate Medical Centre, Karachi. PJMR 2021, 60, 104-110.