García-Campayo, J., and M. Alda. “Psychological Aspects of Origin and Treatment of Fibromyalgia”. Actas Españolas de Psiquiatría 33, no. Suppl. 3 (May 1, 2005): 53–57. Accessed May 31, 2025. https://actaspsiquiatria.es/index.php/actas/article/view/1441.