HARDEN, LM; NEVELING, N; ROSSOUW, F; SEMPLE, SJ; MARX, FE; ROSSOUW, J; ROGERS, G. The effects of an L-methionine combination supplement on symptoms of upper respiratory tract infections and performance in ultramarathon runners before, during and after ultra-endurance exercise. South African Journal of Sports Medicine, [S. l.], v. 16, n. 1, p. 10–16, 2004. DOI: 10.17159/2078-516X/2004/v16i1a188. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/188. Acesso em: 5 may. 2024.