McCormick Michael T, Muir Keith W, Gray Christopher S, Walters Matthew R
University of Glasgow, Division of Cardiovascular and Medical Sciences, Gardiner Institute, Western Infirmary, Glasgow G11 6NT, UK.
Stroke. 2008 Jul;39(7):2177-85. doi: 10.1161/STROKEAHA.107.496646. Epub 2008 Apr 24.