Evaluation of plasma cystatin C as a marker for glomerular filtration rate in patients with type 2 diabetes. - Harmoinen,A.P.; Kouri,T.T.; Wirta,O.R.; Lehtimaki,T.J.; Rantalaiho,V.; Turjanmaa,V.M.; Pasternack,A.I. (Clin Nephrol, 1999)