Al-Marouai, Essam A. “A Comparative Study of Certain Mineral Salts in Long-Distance Runners and Long-Distance Swimmers and Their Relationship to Maximum Oxygen Consumption”. Queen Arwa University Journal 17, no. 17 (December 31, 2016): 75–96. Accessed September 11, 2025. https://journal.qau.edu.ye/index.php/srj/article/view/272.