Kraak, W, B Bernardo, H Gouws, A Loubser, J Vuuren, and M Coetzee. 2018. “Concussion Knowledge and Attitudes Amongst Stellenbosch University Hostel Rugby Players”. South African Journal of Sports Medicine 30 (1):1-5. https://doi.org/10.17159/2078-516X/2018/v30i1a4404.