HELLÍN-MARTÍNEZ, Marta; GARCÍA-JIMÉNEZ, José Vicente; GARCÍA-PELLICER, Juan José; ALFONSO-ASENCIO, Manuel. Frecuencia cardiaca y niveles de actividad física durante recreos escolares. Un estudio descriptivo (Heart rate and physical activity levels during school recess. A descriptive study). Retos, [S. l.], v. 43, p. 422–427, 2022. DOI: 10.47197/retos.v43i0.88648. Disponível em: http://www.revistaretos.org/index.php/retos/article/view/88648. Acesso em: 1 jul. 2025.