For citations:

Safonov N.V., Lelkova A.M., Chavushyan L.G., Steklov A.S., Serova M.V., Kolesnikov D.V. Isolation of the Pulmonary Veins Ostia in Elderly and Geriatric Patients. Russian Journal of Geriatric Medicine. 2025;(3):434-437. (In Russ.) https://doi.org/10.37586/2686-8636-3-2025-434-437