T. Zolotarova and O. Bilchenko, “PARAMETERS OF THE HEMODYNAMIC AFTER ABLATION ATRIAL FIBRILLATION AND/OR FLUTTER DEPENDING ON THE FUNCTIONAL CLASS OF CHRONIC HEART FAILURE”, J. V. N. Karazin Khark. Nat. Univ., Ser. Med., no. 36, pp. 52-57, Jan. 2019.