Non-invasive beat-to-beat cardiac output monitoring by an improved method of transthoracic bioimpedance measurement. - Jürgen Fortin; W. Habenbacher; Axel R. Heller; A. Hacker; R. Grüllenberger; J. Innerhofer; H. Passath; Ch. Wagner; G. Haitchi; Doris Flotzinger; R. Pacher; Paul Wach (Comput. Biol. Medicine, 2006)

Continuous non-invasive blood pressure monitoring using concentrically interlocking control loops. - Jürgen Fortin; W. Marte; R. Grüllenberger; A. Hacker; W. Habenbacher; Axel R. Heller; Ch. Wagner; Paul Wach; Falko Skrabal (Comput. Biol. Medicine, 2006)

A Scalable Forecasting Framework to Predict COVID-19 Hospital Bed Occupancy. - Jakob Heins; Jan Schoenfelder; Steffen Heider; Axel R. Heller; Jens O. Brunner (INFORMS J. Appl. Anal., 2022)

COVIDAL: A Machine Learning Classifier for Digital COVID-19 Diagnosis in German Hospitals. - Christina C. Bartenschlager; Stefanie S. Ebel; Sebastian Kling; Janne Vehreschild; Lutz T. Zabel; Christoph Spinner; Andreas Schuler; Axel R. Heller; Stefan Borgmann; Reinhard Hoffmann; Siegbert Rieg; Helmut Messmann; et al. (ACM Trans. Manag. Inf. Syst., 2023)