Pérez San Gregorio, M.Á., Bernal, J.P. and Martín Rodríguez, A. (2008) “Psychological differences of patients and relatives”, The Spanish Journal of Psychology, 11(1), pp. 250–258. Available at: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0808120250A (Accessed: 23 July 2026).