Johna R, Mertens H, Haverkamp W, Eckardt L, Niederbröker T, Borggrefe M, Breithardt G (1998) Clofilium in the isolated perfused rabbit heart: a new model to study proarrhythmia induced by class III antiarrhythmic drugs. Basic Res Cardiol 93: 127-35 Eckardt L, Haverkamp W, Göttker U, Madeja M, Johna R, Borggrefe M, Breithardt G (1998) Divergent effect of acute ventricular dilatation on the electrophysiologic characteristics of d,l-sotalol and flecainide in the isolated rabbit heart. J Cardiovasc Electrophysiol 9: 366-83 Eckardt L, Haverkamp W, Mertens H, Johna R, Clague JR, Boggrefe M, Breithardt G (1998) Drug-related torsade de pointes in the isolated rabbit heart: comparison of clofilium, d,l-sotalol and erythromycin. J Cardiovasc Pharmacol 32: 425-34 Eckardt L, Haverkamp W, Borggrefe M, Breithardt G (1998) Experimental models of torsade de pointes, Cardiovasc Res 39: 178-193 Breithardt G, Eckardt L, Borggrefe M (1998) The philosophy of antiarrhytmic therapy, Has it changed? Cardionet Journal