Araç, S.; Karahan, M. Z.; Özel, M.; Yiğit, R.; Akkoç, H.; Araç, E. Effects of Treatment With Hydroxychloroquine and Azithromycin on the Index of Cardiac Electrophysiological Balance in Patients With COVID-19: A Retrospective Cohort Study. J Surg Med 2021, 5, 412-416.