García-Escalera, J. et al. 2017. Efficacy of transdiagnostic cognitive­-behavioral therapy for anxiety and depression in adults, children and adolescents: A meta­-analysis. Revista de Psicopatología y Psicología Clínica. 21, 3 (ene. 2017), 147–175. DOI:https://doi.org/10.5944/rppc.vol.21.num.3.2016.17811.