Iqbal B, Bahadur K, Hussain M, Dawood MM, Farooq MU. ESTIMATING SENSITIVITY AND SPECIFICITY OF COVID 19 ANTIBODIES ASSAY POST RT-PCR TESTING. J Postgrad Med Inst [Internet]. 2021 Sep. 30 [cited 2024 Apr. 19];35(3):148-51. Available from: https://jpmi.org.pk/index.php/jpmi/article/view/2934