@conference {2144,
	title = {Increased Instability of Heartbeat Dynamics in Parkinson{\textquoteright}s Disease},
	booktitle = {Computers in Cardiology},
	year = {2013},
	keywords = {Bioengineering},
	author = {R. Barbieri and L. Citi and G. Valenza and M. Guerrisi and S. Orsolini and C. Tessa and S. Diciotti and N. Toschi}
}
