P. Santos Silva, A. Pedrinelli, A. José Hernandez, J. M. D´Andrea Greve, E. Yoshio Nakano, and G. Veiga Guimarães, “Maximal oxygen uptake of male professional soccer players, 2012-2015, at the end of four preseasons training”, OSJ, vol. 6, no. 4, Nov. 2021.