Source analysis of interictal spikes in polymicrogyria: Loss of relevant cortical fissures requires simultaneous EEG to avoid MEG misinterpretation. - Thomas Bast; Georgia Ramantani; Tobias Boppel; Tanja Metzke; Özdin Özkan; Christoph Stippich; Angelika Seitz; André Rupp; Dietz Rating; Michael Scherg (NeuroImage, 2005)