Stevens D, Grant C, Botha T, Vosloo G, Rossouw H, De Jager P, et al. Concussion risk and symptomology severity in adolescents are associated with pre-season drowsiness and emotional complaints. SA J Sports Med [Internet]. 2024 Jul. 12 [cited 2024 Nov. 23];36(1). Available from: https://journals.assaf.org.za/index.php/sajsm/article/view/16255