Karagiannis SE, Feringa HH, Elhendy A, van Domburg R, Chonchol M, Vidakovic R, Bax JJ, Karatasakis G, Athanasopoulos G, Cokkinos DV, Poldermans D. Prognostic significance of renal function in patients undergoing dobutamine stress echocardiography. Nephrol Dial Transplant. 2008 Feb; 23(2):601-7.