Erelund , Sofia, Kjell Karp, Urban Wiklund, Sandra Arvidsson, and Rolf Hörnsten. 2021. “Are ECG Changes in Heart-Healthy Individuals of Various Ages Related to Cardiac Disease 20 Years Later?”. Upsala Journal of Medical Sciences 126 (1). https://doi.org/10.48101/ujms.v126.6064.