Detection of repolarization alternans with an implantable cardioverter defibrillator lead in a porcine model. - Anil Maybhate; Steven C. Hao; Sei Iwai; Jae Ung Lee 001; Amit B. Guttigoli; Kenneth M. Stein; Bruce B. Lerman; David J. Christini (IEEE Trans. Biomed. Eng., 2005)