Lozovyi, O. A., and K. V. Rudenko. “Surgical Treatment of Atrial Fibrillation and Flutter in Patients With Atrial Septal Defects”. Ukrainian Journal of Cardiovascular Surgery, Vol. 32, no. 2, June 2024, pp. 113-9, doi:10.30702/ujcvs/24.32(02)/LR024-113119.