Blanco, C., Estupiñá, F. J., Labrador, F. J., Fernández-Arias, I., Bernardo-de-Quirós, M., & Gómez, L. (2014). The use of relaxation techniques in a clinic of psychology. Anales De Psicología Annals of Psychology, 30(2), 403–411. https://doi.org/10.6018/analesps.30.2.158451