“FUNCTION CLASS OF CHRONIC HEART FAILURE AND EFFICIENCY OF THERAPY AMIODARONE AND ITS COMBINATION WITH BETA-ADRENOBLOCKERS PERMANENT FORM OF ATRIAL FIBRILLATION AT PATIENTS WITH ARTERIAL HYPERTENSION AND ISCHEMIC HEART DISEASE”. 2015. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 9 (July): 63-66. https://periodicals.karazin.ua/medicine/article/view/7196.