Tafur Betancourt, L. A., A. S. Rosero Cundar, S. A. Remolina Granados, M. Arévalo, M. del M. Millán G., E. Lema Flórez, A. Zorrilla Vacca, V. H. Ruiz Holguín, C. Ceballos, and J. Quintero Soto. “Use of MeNTS, Frailty and Symptom Scales for Selecting Surgical Patients During the SARS-CoV-2 Pandemic: A Retrospective Study ”. Colombian Journal of Anesthesiology, Vol. 49, Sept. 2021, doi:10.5554/22562087.e999.