Increase in Doppler Resistance Indices after Intake of Cyclosporin A in Comparison to Tacrolimus in Patients with Stable Renal Allograft Function. - Weingart, C.; Leingärtner, T.; Bergler, T.; Krüger, B.; Mack, M.; Banas, B.; Krämer, B. K. (Kidney & Blood Pressure Research, 2004)