Sheth Kevin N, Yu Timothy W, Vossel Keith A, Cho Tracey A
Massachusetts General Hospital, Department of Neurology, 55 Fruit Street, Blake 12 Neuro-ICU, Boston, MA 02114, USA.
Neurology. 2008 May 6;70(19):e75-7. doi: 10.1212/01.wnl.0000311392.08059.a0.