Circadian Modulation of Ventricular Tachycardia Cycle Length Variability in ICD Patients with Dilated Cardiomyopathy. - Manolis, Athanasios G.; Katsivas, Apostolos; Lazaris, Eustathios; Koutsogeogis, Dimitrios; Louvros, Nikolaos (Pacing & Clinical Electrophysiology, 1997)