Pineda-Espejel HA, Trejo M, García KB, Garza KJ, Vázquez-Jiménez G, Machado-Contreras JR, et al. Respuesta de cortisol salival y ansiedad precompetitiva en nadadores (Salivary cortisol response and precompetitive anxiety in swimmers). Retos [Internet]. 2020 Jul. 1 [cited 2025 Dec. 17];38:1-7. Available from: http://www.revistaretos.org/index.php/retos/article/view/72229