Congestive Heart Failure and VVI Pacing Mode: Dynamic Behavior of the Dispersion of Ventricular Repolarization. - Manolis, Athanasios G.; Katsivas, Apostolos; Koutsogeorgis, Dimitris; Theodorakis, Antonios; Apostolopoulos, George; Nikolaou, Pavlos; Louvros, Nikolaos (Pacing & Clinical Electrophysiology, 1996)