BROOK T.M.; LITVIN F.B. Heart rate variability and autonomic activity in young short-track athletes at the age of 14. Theory and Practice of Physical Culture, [S. l.], n. 7, p. 32–34, 2025. Disponível em: http://tpfk.ru/index.php/TPPC/article/view/1399. Acesso em: 5 dec. 2025.