For citations:

Druzhilov M.A., Kuznetsova T.Yu., Gavrilov D.V., Andreichenko A.E., Novitsky R.E. Clinical characteristics and frequency of anticoagulation in patients with atrial fibrillation and heart failure: results of a retrospective big data analysis. Cardiovascular Therapy and Prevention. 2023;22(2):3477. (In Russ.) https://doi.org/10.15829/1728-8800-2023-3477