McHugh John C, Ryan Aisling M, Lynch Timothy, Dempsey Elizabeth, Stack John, Farrell Michael A, Kelly Peter J
Department of Neurology, Mater Misericordiae University Hospital, Dublin, Ireland.
Cerebrovasc Dis. 2007;23(1):66-9. doi: 10.1159/000097030. Epub 2006 Nov 14.