For citations:

Kozhenov A.T., Azizov S.N., Khlynova O.V. Relationship between the left atrial and pulmonary vein effective refractory period and the development of early atrial fibrillation recurrence after radiofrequency pulmonary vein isolation. First results. Cardiovascular Therapy and Prevention. 2023;22(4):3503. (In Russ.) https://doi.org/10.15829/1728-8800-2023-3503