Montalbán, S. Ros, A. Comas Vives, and M. Garcia-Garcia. “Validation of the Spanish Version of the PHQ-15 Questionnaire for the Evaluation of Physical Symptoms in Patients With Depression and Or Anxiety Disorders: DEPRE-SOMA Study”. Actas Españolas de Psiquiatría 38, no. 6 (November 1, 2010): 345–357. Accessed May 8, 2024. https://actaspsiquiatria.es/index.php/actas/article/view/438.