Semple S, Neveling N, Roussouw R. Physical and performance-related profile of elite male South African distance runners. Af. J. Phys Activity and Health Sci. [Internet]. 2004 Feb. 6 [cited 2026 Oct. 9];9(2):238-49. Available from: https://www.ajol.info/index.php/ajpherd/article/view/24630