Can the apparent diffusion coefficient be used as a noninvasive parameter to distinguish tumor tissue from peritumoral tissue in cerebral gliomas? - Pauleit,D.; Langen,K.J.; Floeth,F.W.; Hautzel,H.; Riemenschneider,M.J.; Reifenberger,G.; Shah,J.; Müller,H.W. (J Magn Reson Imaging, 2004)