Aldabagh, Ahmed, and Ali Jasem Alhyali. “Responses of the Respiratory Ventilation and Certain ECG to the VO2 Percentage in Two Aerobic Stresses Depending Upon Resistance and Speed”. Al-Rafidain Journal For Sport Sciences 22, no. 69 (April 1, 2019): 1–46. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50116.