1.
Saeed M, Saeed S, Tariq A, Hyder HS. Frequency of Positive PCR test and Complications in Nasopharyngeal Swabs of Suspected Patients and Contacts of COVID-19 Tested at Allied Hospital Faisalabad. apmc [Internet]. 31Mar.2021 [cited 15Jun.2021];15(1):25-7. Available from: https://apmcfmu.com/index.php/apmc/article/view/1118