WALKER, S. Concussion knowledge and return-to-play attitudes among subelite rugby union players. South African Journal of Sports Medicine, [S. l.], v. 27, n. 2, p. 50–54, 2015. DOI: 10.7196/SAJSM.536. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/492. Acesso em: 10 apr. 2025.