Iqbal, Bilal, Kulsoom Bahadur, Munir Hussain, Mirza Muhammad Dawood, and Muhammad Umar Farooq. “ESTIMATING SENSITIVITY AND SPECIFICITY OF COVID 19 ANTIBODIES ASSAY POST RT-PCR TESTING”. Journal of Postgraduate Medical Institute 35, no. 3 (September 30, 2021): 148–51. Accessed April 26, 2024. https://www.jpmi.org.pk/index.php/jpmi/article/view/2934.