Multivariate short-term heart rate variability: a pre-diagnostic tool for screening heart disease. - Andreas Heitmann; Thomas Huebner; Rico Schroeder; Siegfried Perz; Andreas Voss (Medical Biol. Eng. Comput., 2011)

Influence of age and gender on complexity measures for short term heart rate variability analysis in healthy subjects. - Andreas Voss; Rico Schroeder; Claudia Fischer; Andreas Heitmann; Annette Peters; Siegfried Perz (EMBC, 2013)