Janjua SI, Younas M, Afzal RK, Khan A, Yasmeen F, Younas M. Frequency of SARS-CoV-2 Antibodies in PCR-Positive COVID-19 Patients and High-Risk Exposed Subjects at Multan. Pak Armed Forces Med J [Internet]. 2023 Aug. 31 [cited 2024 Nov. 25];73(4):1095-9. Available from: https://pafmj.org/PAFMJ/article/view/8820