Shephard, Roy J. “ECG Screening to Prevent Sudden Cardiac Death on the Sports Field: Is There Now Evidence Supporting Such Practice?”. The Health & Fitness Journal of Canada 8, no. 3 (June 2, 2016): 14–22. Accessed March 29, 2024. https://hfjc.library.ubc.ca/index.php/HFJC/article/view/193.