Comparing GFR Estimating Equations Using Cystatin C and Creatinine in Elderly Individuals..

Fan L, Levey AS, Gudnason V, Eiriksdottir G, Andresdottir MB, Gudmundsdottir H, Indridason OS, Palsson R, Mitchell G, Inker LA. J Am Soc Nephrol. 2015 ;26(8):1982-9. PMID:25527647