Jamaluddin. “Comparison of QTC Interval Before and After Hydroxychloroquine Therapy in COVID-19 Patients at Kendari City Hospital”. Scientific Journal of Medical Faculty of Halu Oleo University 10, no. 3 (January 31, 2023). Accessed September 28, 2024. https://medula.uho.ac.id/index.php/journal/article/view/17.