Atterhög , Jan-Henrik, Lars-Göran Ekelund, Gunnar Ericsson, and Björn Ahlborg. “Significance of Primary T Wave Aberrations in the Electrocardiogram of Asymptomatic Young Men: Part I. Electrocardiographic Data”. Upsala Journal of Medical Sciences 85, no. 2 (June 1, 1980): 125-142. Accessed April 2, 2026. https://ujms.net/index.php/ujms/article/view/7179.