GUZII, O. V. The changes of heart rate variability indices reactivity in response to controlled breathing during the general endurance training. Zaporozhye Medical Journal, [S. l.], v. 20, n. 1, 2018. DOI: 10.14739/2310-1210.2018.1.121882. Disponível em: https://zmj.zsmu.edu.ua/article/view/121882. Acesso em: 11 jun. 2025.