T. Othman M, محمد. A Consecutive Study of Some Electrocard ogramVariables of during Applying Aerobic Stress to (11-12) Years Old Children. RJSS [Internet]. 2025 Jun. 24 [cited 2025 Aug. 4];18(58):256-80. Available from: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/10964