Heart rate variability adjustments during cycling exercise at different intensities until exhaustion - Asano, Ricardo Yukio; Brietzke, Cayque; Prado, Raul Cosme Ramos do; Silva, Alan Sandro da; Nascimento, Eduardo Marcel Fernandes; Alvarenga, Paulo Estevão Franco; Silva, Adriano Eduardo Lima; Pires, Flávio de Oliveira (Brazilian Journal of Science and Movement, 2025)