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 (Aug. 2021). DOI:https://doi.org/10.37939/jrmc.v25i1.1503.