For citations:
Vachev S.A., Koroljov S.V., Zotov A.S., Khabazov R.I., Troitsky R.I. Staged surgical treatment of patients with combination of non-paroxysmal form of atrial fibrillation and isthmus-dependent atrial flutter. Journal of Arrhythmology. 2020;27(1):30-33. (In Russ.) https://doi.org/10.35336/VA-2020-1-30-33