Leal, M. I., et al. “Evaluation of the Effect of a Psychoeducational Program on the Burden in Informal Caregivers of Patients With Schizophrenia”. Actas Españolas De Psiquiatría, vol. 36, no. 2, Mar. 2008, pp. 63-69, https://actaspsiquiatria.es/index.php/actas/article/view/64.