Ortiz Marholz, Paula Francisca, Luis Marcel Valenzuela Contreras, and Joel Barrera Diaz. “Niveles De Ansiedad Rasgo Y Bienestar En Jugadores De Fútbol Profesional De Chile Durante La Cuarentena Por COVID-19 (Levels of Trait Anxiety and Well-Being in Chilean Professional Soccer Players During the COVID-19 Quarantine)”. Retos 44 (February 7, 2022): 1037–1044. Accessed December 16, 2025. http://www.revistaretos.org/index.php/retos/article/view/91316.