Acuña Ávila JM, Murguía Cánovas G, López Fajardo AD. Biofeedback to decrease anxiety in football association players. Mex J Med Res [Internet]. 2014 Jul. 5 [cited 2025 Jul. 4];2(4). Available from: https://repository.uaeh.edu.mx/revistas/index.php/MJMR/article/view/1809