González Cárdenas, Víctor Hugo, Juan Guillermo Vargas, Jorge Enrique Echeuerri, Sandra M. Díaz, and Yonny Mena Méndez. 2013. “Pre-Anesthesia Evaluation in Patients With Chronic Renal Disease (emphasis on Cardiovascular Risk)”. Colombian Journal of Anesthesiology 41 (2):139-45. https://www.revcolanest.com.co/index.php/rca/article/view/882.