Kalisnik, Jurij M., Viktor Avbelj, Roman Trobec, Daroslav Ivaskovic, Gaj Vidmar, Giovanni Troise, and Borut Gersak. “Assessment of Cardiac Autonomic Regulation and Ventricular Repolarization After Off-Pump Coronary Artery Bypass Grafting”. The Heart Surgery Forum 9, no. 3 (May 18, 2006): E661-E667. Accessed March 28, 2024. https://journal.hsforum.com/index.php/HSF/article/view/919.