Low-flow sevoflurane compared with low-flow isoflurane anesthesia in patients with stable renal insufficiency. - Conzen,P.F.; Kharasch,E.D.; Czerner,S.F.; Artru,A.A.; Reichle,F.M.; Michalowski,P.; Rooke,G.A.; Weiss,B.M.; Ebert,T.J. (Anesthesiology, 2002)