YOUSIF ALNJOLA, O. A Comparative Study of the Performance Efficiency and Morphology of the Heart Among Long-Distance Runners. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 26, n. 81, p. 491–500, 2023. DOI: 10.33899/rjss.2023.141888.1198. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50915. Acesso em: 2 oct. 2025.