Ecuación CKD-EPI 2021 (Sin Coeficiente Racial): Inker, L. A., Eneanya, N. D., Coresh, J., Tighiouart, H., Wang, D., Sang, Y., … & Levey, A. S. (2021). New Creatinine- and Cystatin C–Based Equations to Estimate GFR without Race. New England Journal of Medicine, 385(19), 1737–1749. DOI: 10.1056/NEJMoa2102953