“EFFECT OF COMBINATION OF AMIODARONE AND BETA-BLOCKERS ON THE CLINICAL PRESENTATION OF ATRIAL FIBRILLATION DEPENDING ON THE DURATION OF THE QTc”. 2015. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 22 (July): 32-38. https://periodicals.karazin.ua/medicine/article/view/6872.