Yilmaz, Ercan, Ozlem Elkiran, Damla Ince, Cemsit Karakurt, Zeynep Yamancan Yilmaz, and Saim Yologlu. “Assesment of Normal ECG Percentiles and Cardiac Rhythm Problems through 12-Lead ECG Screening in School-Age Children”. Annals of Medical Research 29, no. 12 (December 23, 2022): 1323–1329. Accessed May 9, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/4224.