Zanatta C, Matsushigue KA, Nakamura FY, De-Oliveira FR. Heart rate variability threshold and blood lactate response during constant load exercises. JPhysEduc (Maringá) [Internet]. 2008Oct.22 [cited 2025Dec.25];19(2):251-60. Available from: https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/5554