Spengos Konstantinos, Tsivgoulis Georgios, Toulas Panagiotis, Vemmos Konstantinos, Vassilopoulos Demetris, Spengos Michael
Department of Neurology, Eginition Hospital, University of Athens, Athens, Greece.
Eur Neurol. 2004;51(3):172-5. doi: 10.1159/000077665. Epub 2004 Apr 1.