Vidal, M. L., M. J. Cortés, J. Valero, A. Gutiérrez-Zotes, and A. Labad. 2008. “Family Environment and Expressed Emotion in Patients With Schizophrenia or Other Psychoses and in Their First-Degree Relatives”. Actas Españolas De Psiquiatría 36 (5):271-76. https://actaspsiquiatria.es/index.php/actas/article/view/146.