Hatem Ahmad A, Hazim Younes Hazim Younes Younes M. A comparative study in some respiratory system variables in case of rest (comfort) and effort in different temperature for swimmers. BERJ [Internet]. 2021 Dec. 1 [cited 2025 Oct. 26];17(4):986-1005. Available from: https://edusj.uomosul.edu.iq/index.php/berj/article/view/37855