J. H. Restrepo Zea, J. S. Jaén Posada, J. J. Espinal Piedrahita, and P. A. Zapata Flórez, “Emergency Department Overcrowding : A Four-Hospital Analysis in Medellín and a Strateg y Simulation”, Rev. Ger. Pol. Sal, vol. 17, no. 34, Aug. 2018.