Tsivgoulis Georgios, Spengos Konstantinos, Vassilopoulou Sofia, Zakopoulos Nikolaos, Zis Vassilios
Department of Neurology, University of Athens Medical School, Eginition Hospital, Athens, Greece.
Cerebrovasc Dis. 2006;21(1-2):139-40. doi: 10.1159/000090448. Epub 2004 May 28.