Valderrama Beltrán , S. L., Grueso Angulo , R., Montealegre Diaz, J. S., Bernal Gutiérrez, M., Cataño Cataño, J. G., Galvis Navarrete, S. H., Ramirez Schneider, E. A., Torres Ortiz, M. P., Portilla Rojas, E. and Torregrosa Almonacid, L. (2024) “Perioperative Morbidity and Mortality in Patients Undergoing Elective and Emergency Surgery during covid-19 Pandemic in a Fourth Level Hospital ”, Universitas Medica, 64(4). doi: 10.11144/Javeriana.umed64-4.mmpc.