Khudhair HH, Majhool ZS, JAWAD AF. The effect of exercises with oxygen lacking masks on the speed storage and the achievement of 800m runners under 18 years old. Psychosocial rehabilitation [Internet]. 2020 Nov. 30 [cited 2026 Feb. 10];24(9):5218-24. Available from: https://psychosocial.com/index.php/ijpr/article/view/9354