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Makienko, N. 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. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. 1, 63-66.