Machado-Alba, J. E. ., Ramírez-Sarmiento, J. O. . and Salazar-Ocampo, D. F. . (2016) “Multicenter study on effectiveness of controlling postoperative pain in Colombian patients”, Colombian Journal of Anesthesiology, 44(2), pp. 114–120. Available at: https://www.revcolanest.com.co/index.php/rca/article/view/458 (Accessed: 18 April 2024).