Lledó Boyer, Ana, Mª Ángeles Pastor Mira, Sofía López-Roig, and Maximiliano Nieto Ferrandéz. 2011. “Psychosocial Factors and Health Services Utilization in Fibromyalgia: A Review”. International Journal of Psychological Research 4 (2):80-91. https://doi.org/10.21500/20112084.784.