VILJOEN, C; SCHOEMAN, M; BRANDT, C; PATRICIOS, J; VAN ROOYEN, C. Concussion knowledge and attitudes among amateur South African rugby players. South African Journal of Sports Medicine, [S. l.], v. 29, n. 1, p. 1–6, 2017. DOI: 10.17159/2078-516X/2017/v29i1a2993. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/2993. Acesso em: 10 apr. 2025.