Differential modulation of subcortical target and cortex during deep brain stimulation - Haslinger, B.; Boecker, H.; Büchel, C.; Vesper, J.; Tronnier, V.M.; Pfister, R.; Alesch, F.; Moringlane, J.R.; Krauss, J.K.; Conrad, B.; Schwaiger, M.; Ceballos-Baumann, A.O. (NeuroImage, 2003)