Opioid pain medication prescription for chronic pain in primary care centers: the roles of pain acceptance, pain intensity, depressive symptoms, pain catastrophizing, sex, and age - Ramírez-Maestre, C.; Reyes-Pérez, Á.; Esteve, R.; López-Martínez, A. E.; Bernardes, S.; Jensen, M. P. (International Journal of Environmental Research and Public Health, 2020)