Khan H, Khalid M, Khan K, Masood A. Sero-Prevelance Of Anti Sars-Cov-2 Antibodies With Impact Of Age, Gender And Severity Of The Disease: A Hospital Based Study: COVID-19. Adv Basic Med Sci [Internet]. 2021Feb.17 [cited 2024Nov.23];4(2). Available from: https://abms.kmu.edu.pk/index.php/abms/article/view/164