Khadija Muneer, Saima Ayub, Nauman Zafar, Noma Sarwar, Adnan Hasham, Shazia Siddique. “Comparison of Clinical and Laboratory Features in RT-PCR Positive and RT-PCR Negative Covid-19 Patients Admitted in High Dependency Unit in a Tertiary Care Hospital, SGRH, Lahore”. Pakistan Journal of Medical & Health Sciences 16, no. 03 (April 12, 2022): 289. Accessed November 23, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/431.