Influence of ACE Gene Polymorphism on Heart Rate Dynamics During Submaximal Exercise Following a 3-Month Fartlek Training Program in Male Adolescents. Global Journal of Sport and Exercise Science (GJSES), [S. l.], v. 2, n. 1, 2026. DOI: 10.63750/cxm5em66. Disponível em: https://gjses.org/index.php/gjses/article/view/50. Acesso em: 30 may. 2026.