Otten Richard F, Foreman Lynne D, Groh William J
Department of Medicine, Division (Krannert Institute) of Cardiology, Indiana University, Indianapolis, Indiana 46202, USA.
Heart Rhythm. 2008 Jan;5(1):158-9. doi: 10.1016/j.hrthm.2007.08.028. Epub 2007 Aug 28.