Silva JKT do NF da, Lins Filho O de L, Germano-Soares AH, Ritti-Dias RM, Farah BQ. Association between frequency of physical education classes and heart rate variability in adolescents boys: a cross-sectional study. JPhysEduc (Maringá) [Internet]. 2022Apr.8 [cited 2026Jan.16];33(1):e-3322. Available from: https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/58666