Martymianova, L. O. “VENTRICULAR RATE AND BLOOD PRESSURE ORTHOSTATIC REACTIONS IN PATIENTS WITH PERMANENT ATRIAL FIBRILLATION IN GENERAL CARDIOVASCULAR RISK GROUPS”. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 32, 1, pp. 24-28, doi:10.26565/2227-6505-2016-32-04.