Cholewinski, Mitch, et al. “The Effects of a Peaking Protocol on Heart Rate Variability and Its Predictive Associations With Wilks Coefficient in Competitive Powerlifters: Effects of Peaking on Heart Rate Variability”. International Journal of Strength and Conditioning, vol. 2, no. 1, June 2022, https://doi.org/10.47206/ijsc.v2i1.115.