Entropy Measures in Heart Rate Variability Data. - Niels Wessel; Agnes Schumann; Alexander Schirdewan; Andreas Voss; Jürgen Kurths (ISMDA, 2000)

Recurrence Quantification Analysis to Characterise the Heart Rate Variability before the Onset of Ventricular Tachycardia. - Niels Wessel; Norbert Marwan; Udo Meyerfeldt; Alexander Schirdewan; Jürgen Kurths (ISMDA, 2001)

Short- and long-term joint symbolic dynamics of heart rate and blood pressure in dilated cardiomyopathy. - Mathias Baumert; Vico Baier; Sandra Truebner; Alexander Schirdewan; Andreas Voss (IEEE Trans. Biomed. Eng., 2005)

Spontaneous Heart Rate Turbulence in Patients with Dilated Cardiomyopathy. - Andreas Voss; Rico Schroeder; Sandra Truebner; Matthias Goernig; Alexander Schirdewan; Hans R. Figulla (EMBC, 2006)

Nonlinear additive autoregressive model-based analysis of short-term heart rate variability. - Niels Wessel; Hagen Malberg; Robert Bauernschmitt; Alexander Schirdewan; Jürgen Kurths (Medical Biol. Eng. Comput., 2006)

Cardiac Magnetic Field Map Topology Quantified by Kullback-Leibler Entropy Identifies Patients with Hypertrophic Cardiomyopathy. - Alexander Schirdewan; Andrej Gapelyuk; Robert Fischer 006; Lydia Koch; Henry Schütt; Udo Zacharzowsky; Rainer Dietz; Ludwig Thierfelder; Niels Wessel (BIOSIGNALS (2), 2008)

Ventricular arrhythmias and changes in heart rate preceding ventricular tachycardia in patients with an implantable cardioverter defibrillator. - Claudia Lerma; Niels Wessel; Alexander Schirdewan; Jürgen Kurths; Leon Glass (Medical Biol. Eng. Comput., 2008)

Classifying cardiac biosignals using ordinal pattern statistics and symbolic dynamics. - Ulrich Parlitz; Sebastian Berg; Stefan Luther; Alexander Schirdewan; Jürgen Kurths; Niels Wessel (Comput. Biol. Medicine, 2012)