@article{Ricca-Mallada:2012,
  author  = "R. Ricca-Mallada and E. Migliaro and J. Piskorski and P. Guzik",
  title   = "Exercise training slows down heart rate and improves deceleration and acceleration capacity in patients with heart failure",
  journal = "Journal of Electrocardiology",
  volume  = "Vol. 45",
  number  = "no 3",
  pages   = "214--219",
  year    = "2012",
}