T. Al-Hajjar, Yasin. “The Effect of Two Aerobic Intensities of Exercise on Free Radicals and Antioxidants Formation”. Al-Rafidain Journal For Sport Sciences 13, no. 44 (August 1, 2007): 89–98. Accessed January 11, 2026. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50798.