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8. [The heart rate variability indices and the circadian rhythm of the hourly heart rate: 2 prognostic indicators of mortality and malignant ventricular arrhythmias in patients with a myocardial infarct]. Curione M, Lucia P, Proietti E, Cedrone L, Bernardini F, Trappolini M, Di Giovine M, Puletti M, Cugini P. Cardiologia; 1996 Dec 14; 41(12):1175-82. PubMed ID: 9064214 [Abstract] [Full Text] [Related]
9. [Heart rate-ventricular extrasystole relations and their dependence on circadian rhythms]. Burguera M, López-Merino V, García-Civera R, Chorro J, Ruiz-Granell R, Sanchís J. Rev Esp Cardiol; 1989 Dec 14; 42(10):658-65. PubMed ID: 2482986 [Abstract] [Full Text] [Related]
12. [Cardiac arrhythmias in active elderly persons--age dependence of heart rate and arrhythmias]. Dietz A, Walter J, Bracharz H, Bracharz M, Unkelbach S, Franke H. Z Kardiol; 1987 Feb 14; 76(2):86-94. PubMed ID: 2437715 [Abstract] [Full Text] [Related]