Pettersen Jacqueline A, Aviv Richard I, Black Sandra E, Fox Allan J, Lim Andrew, Murray Brian J
Stroke Foundation Centre for Stroke Recovery, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
Stroke. 2008 Feb;39(2):492-3. doi: 10.1161/STROKEAHA.107.493791. Epub 2008 Jan 3.