2017. 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". 34 (Dec. 2017), 51–56. DOI:https://doi.org/10.26565/2227-6505-2017-34-09.