Do, Phillip, Flora Guo, and Darren Warburton. “Effect of Aerobic Fitness on Cortisol Response and HPA-Axis Reactivity at Different Aerobic Exercise Intensities”. The Health & Fitness Journal of Canada 14, no. 2 (June 30, 2021): 42–53. Accessed April 26, 2024. https://hfjc.library.ubc.ca/index.php/HFJC/article/view/305.