New England Journal of Medicine · 2005 · 1.2K citations · 28 references
Cystatin C, a serum measure of renal function, is a stronger predictor of the risk of death and cardiovascular events in elderly persons than is creatinine.
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Prediction of Creatinine Clearance from Serum Creatinine
Donald W. Cockcroft, Henry Gault · Nephron · 1976 · 15.3K citations
Chronic Kidney Disease and the Risks of Death, Cardiovascular Events, and Hospitalization
Alan S. Go, Glenn M. Chertow, Dongjie Fan et al. · New England Journal of Medicine · 2004 · 11.2K citations · Full text