Ammann, P., I. Bluzaite, H. Roelli, W. Korte, H. Rickli, J. Brazdzionyte, G. Urbonaviciene, and R. Zaliunas. “Correlation of QT Dispersion After Exercise Stress-Test With Coronary”. Elektronika ir Elektrotechnika 51, no. 2 (February 8, 2004). Accessed September 27, 2022. https://eejournal.ktu.lt/index.php/elt/article/view/10967.