“Left Atrial Thrombus and Or Sludge Resolution and Cardioversion in Patients With Non-Valvular Atrial Fibrillation – Flutter at Repeated Transoesophageal Echocardiography”. Ukrainian Journal of Cardiology 25, no. 3 (August 8, 2018): 86–92. Accessed May 8, 2024. https://ucardioj.com.ua/index.php/UJC/article/view/42.