Real event detection and the treatment of congestive heart failure: an e   fficient technique to help cardiologists to make crucial decisions
  Using a method of entropic analysis of time series we establish the correlation between heartbeat long-range memory and mortality risk in patients with congestive heart failure. 
P. Allegrini, R. Balocchi, S. Chillemi, P. Grigolini, P. Hamilton, R.   Maestri, L. Palatella, G. Raffaelli