“Results of Holter ECG Monitoring in Patients With Left Ventricular Dysfunction before Planned Surgical Revascularization. Features of the «grey Area»”. Ukrainian Journal of Cardiology 25, no. 1 (March 7, 2018): 29–44. Accessed November 23, 2024. https://ucardioj.com.ua/index.php/UJC/article/view/47.