Study Of Changes In The Fractality Of Heart Rate Variability After Training In Athletes. International Journal of Environmental Sciences, [S. l.], p. 376–383, 2025. DOI: 10.64252/weyb7p84. Disponível em: https://theaspd.com/index.php/ijes/article/view/11622.. Acesso em: 13 jan. 2026.