NOLTE, Kim; STEYN, B J M; KRÜGER, P E; FLETCHER, L. Doping in sport: Attitudes, beliefs and knowledge of competitive high school athletes in Gauteng Province. South African Journal of Sports Medicine, [S. l.], v. 26, n. 3, p. 81–86, 2014. DOI: 10.7196/sajsm.542. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/103. Acesso em: 10 apr. 2025.