Havenga, Henno, Ben Coetzee, Roelof P. Burger, and Stuart J. Piketh. “Increased Risk of Heat Stress Conditions During the 2022 Comrades Marathon”. South African Journal of Science 118, no. 7/8 (July 28, 2022). Accessed November 21, 2024. https://sajs.co.za/article/view/13118.