For citations:

Кanorskiy S.G., Polishchuk L.V. CORRELATION OF THE ACHIEVED VENTRICULAR CONTRACTION RATE CONTROL LEVEL WITH LIFE QUALITY IN ELDERLY PATIENTS WITH PERMANENT ATRIAL FIBRILLATION. Kuban Scientific Medical Bulletin. 2018;25(2):82-87. (In Russ.) https://doi.org/10.25207/1608-6228-2018-25-2-82-87