(1)
Bello-Villanueva, A. M. .; Benitez-Lara, M.; Oviedo-Trespalacios, O. . Characteristics of Pain, Psychological Aspects, Quality of Life and Coping Strategies in Patients With Chronic Back Pain in a City of Colombia. Colomb. J. Anesthesiol. 2017, 45, 310–316.