Blužaitė, I., H. Rickli, R. Widmer, P. Ammann, G. Urbonavičienė, Z. Bertašienė, and V. Zabiela. 2007. “Assessment of QT Dispersion in Prediction of Life-Threatening Ventricular Arrythmias in Recipients of Implantable Cardioverter Defibrillator”. Elektronika Ir Elektrotechnika 75 (3): 73-76. https://doi.org/10.5755/j02.eie.10703.