Chacón Acevedo, K. R., Cortés Reyes, Édgar, Guevara Cruz, Óscar A., Díaz Rojas, J. A. and Rincón Martínez, L. M. (2020) “Effectiveness and safety of the enhanced recovery program in colorectal surgery: overview of systematic reviews”, Colombian Journal of Anesthesiology, 49(1). doi: 10.5554/22562087.e943.