Fomich, A. N.; Tomina, E. E.; Martimyanova, L. A.; Ivleva, O. A. ORTHOSTATIC REACTIONS OF VENTRICULAR RATE IN MEDICAL CONTROL OF PERMANENT ATRIAL FIBRILLATION. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. 2015, 64-71.