For citations:
Smorgon A.V., Lebedev D.I., Usenkov S.Yu., Dubanaev A.A., Archakov E.A., Batalov R.E., helemekhov A.E., Popov S.V. SPECKLE-TRACKING INTRACARDIAC ECHOCARDIOGRAPHY IN ATRIAL FIBRILLATION PATIENTS DURING RADIOFREQUENCY ISOLATION OF PULMONARY VEINS. Russian Journal of Cardiology. 2017;(7):117-120. (In Russ.) https://doi.org/10.15829/1560-4071-2017-7-117-120