DU, Juan; ZHANG, Qi; STALLONE, Michael. Out-of-School Sports Time and Children’s Body Weight Status: Evidence from a Longitudinal Survey. North American Journal of Medicine and Science, [S. l.], v. 8, n. 1, 2015. Disponível em: https://www.najms.com/index.php/najms/article/view/27. Acesso em: 25 apr. 2026.