Sanabria, A., X. Gomez, V. Vega, L. C. Dominguez, and C. Osorio. “Prediction of Prolonged Mechanical Ventilation for Intensive Care Unit Patients: A Cohort Study”. Colombia Medica, vol. 44, no. 3, Sept. 2013, pp. 184-8, doi:10.25100/cm.v44i3.1285.