Hamzullah Khan , Fazli Bari , Tahir Mohammad ,Rizwanullah Jan. 2021. “SARS-COV-2 Neutralizing IgG Antibodies in Patients Recovered from COVID-19 in a Hospital-Based Study: From Predictions to Reality”. Journal of Rawalpindi Medical College 25 (1). https://doi.org/10.37939/jrmc.v25i1.1503.