Language Mapping in Less Than 15 Minutes: Real-Time Functional MRI during Routine Clinical Investigation. - Guillén Fernández; Armin de Greiff; Joachim von Oertzen; Markus Reuber; Sigrid Lun; Peter Klaver; Jürgen Ruhlmann; Jürgen Reul; Christian Erich Elger (NeuroImage, 2001)