Nitsche Michael A, Liebetanz David, Antal Andrea, Lang Nicolas, Tergau Frithjof, Paulus Walter
Department of Clinical Neurophysiology, University of Göttingen, Robert Koch Strasse 40, D-37075 Götingen, Germany.
Suppl Clin Neurophysiol. 2003;56:255-76. doi: 10.1016/s1567-424x(09)70230-2.