[1]
A. C. Amaya Arias, A. Bruce, D. Herrán, A. Martín Arango, K. Muñoz, and P. Abella, “Variables associated with the risk of suicide in patients with chronic pain seen in a hospital outpatient clinic in Bogotá”, Colomb. J. Anesthesiol., vol. 41, no. 4, pp. 267–273, Oct. 2013.