Distribution of extracellular potassium and its relation to electrophysiologic changes during acute myocardial ischemia in the isolated perfused porcine heart. - Coronel,R.; Fiolet,J.WT.; Wilms-Schopman,F.JG.; Schaapherder,A.FM.; Johnson,T.A.; Gettes,L.S.; Janse,M.J. (Circulation, 1988)