“TYPES OF RADIOFREQUENCY ABLATION AND CLINICAL SYMPTOMS IN PATIENTS WITH ATRIAL FIBRILLATION AND FLUTTER”. The Journal of V. N. Karazin Kharkiv National University, series "Medicine", no. 34 (December 28, 2017): 51–56. Accessed October 24, 2026. https://periodicals.karazin.ua/medicine/article/view/10040.