@article{HnatkovaVesselVossetal.1998,
  author    = {Katarina Hnatkova and N. Vessel and Andreas Voss and J{\"u}rgen Kurths and A. Sander and Alexander Schirdewan and A. J. Camm and Marek Malik},
  title     = {Multiparametric analysis of heart rate variability used for risk stratification among survivors of acute myocardial infarction},
  year      = {1998},
}