Hermida-Cadahia E.F., Lampon N. and Tutor J.C. 2012. Impact of creatinine production on the agreement between glomerular filtration rate estimates using cystatin C-derived, and 4- and 6-variable Modification of Diet in Renal Disease (MDRD), and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equ. Upsala Journal of Medical Sciences. 117, 4 (Jul. 2012). DOI:https://doi.org/10.3109/03009734.2012.696154.