GRANT, C.; JANSE VAN RENSBURG, D. The effect of different types of sports on resting heart rate variability and autonomic nervous system balance. African Journal for Physical Activity and Health Sciences, [S. l.], v. 14, n. 3, p. 326–336, 2008. DOI: 10.4314/ajpherd.v14i3.24812. Disponível em: https://www.ajol.info/index.php/ajpherd/article/view/24812. Acesso em: 18 oct. 2026.