Ruiz-Juan F, Zarauz Sancho A. Variables que hacen adicto negativamente a correr al maratoniano español (Variables that makes negative addicted to run at Spanish marathoner). Retos [Internet]. 2012 Jan. 1 [cited 2025 Sep. 22];21:38-42. Available from: http://207.180.252.49/index.php/retos/article/view/34602