Bellovary, Bryanne N., Kelli E. King, Tony P. Nuñez, James J. McCormick, Andrew D. Wells, Kelsey C. Bourbeau, Zachary J. Fennel, Zidong Li, Kelly E. Johnson, Terence Moriarty, and Christine M. Mermier. “Effects of High-Intensity Interval Training While Using a Breathing-Restrictive Mask Compared to Intermittent Hypobaric Hypoxia”. Journal of Human Sport and Exercise 14, no. 4 (December 2, 2019): 821–833. Accessed May 3, 2024. https://www.jhse.ua.es/article/view/2019-v14-n4-high-intensity-interval-training-breathing-restricti.