Asghar, Asma, Salman Ali Syed, Mohammad Abdullah, Arshad Hayat, Faisal Mehmood, and Khalid Azam Khan. 2020. “CHLOROQUINE AND AZITHROMYCIN INDUCED QTC PROLONGATION IN COVID-19 PATIENTS”. Pakistan Armed Forces Medical Journal 70 (1):S358-62. https://pafmj.org/PAFMJ/article/view/4933.