MYKHALIUK, Y. L.; SYVOLAP, V. V.; HUNINA, L. M.; HOLOVASHCHENKO, R. V. Physiological and potentially pathological ECG changes in swimmers of different sports qualifications. Zaporozhye Medical Journal, [S. l.], n. 1, 2019. DOI: 10.14739/2310-1210.2019.1.155800. Disponível em: http://zmj.zsmu.edu.ua/article/view/155800. Acesso em: 4 may. 2024.