Evaluating the Efficacy of Perfusion MRI and Conventional MRI in Distinguishing Recurrent Cerebral Metastasis from Brain Radiation Necrosis oleh Anders Schack, Jan Saip Aunan-Diop, Frederik A. Gerhardt, Christian Bonde Pedersen, Bo Halle, Mikkel S. Kofoed, Ljubo Markovic, Martin Wirenfeldt, Frantz Rom Poulsen