KOHLER, Ryan MN. Concussion in rugby - an update. South African Journal of Sports Medicine, [S. l.], v. 15, n. 1, p. 16–20, 2003. DOI: 10.17159/2078-516X/2003/v15i1a211. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/211. Acesso em: 10 apr. 2025.