Coledam, D. H. C., and P. F. Ferraiol. “Engagement in Physical Education Classes and Health Among Young People: Does Sports Practice Matter? A Cross-Sectional Study”. São Paulo Medical Journal, vol. 135, no. 6, Dec. 2017, pp. 548-55, https://periodicosapm.emnuvens.com.br/spmj/article/view/850.