KRAAK, W; BERNARDO, B; GOUWS, H; LOUBSER, A; VUUREN, J; COETZEE, M. Concussion knowledge and attitudes amongst Stellenbosch University hostel rugby players. South African Journal of Sports Medicine, [S. l.], v. 30, n. 1, p. 1–5, 2018. DOI: 10.17159/2078-516X/2018/v30i1a4404. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/4924. Acesso em: 10 apr. 2025.