Farewell to oligoastrocytoma: in situ molecular genetics favor classification as either oligodendroglioma or astrocytoma - Sahm, Felix; Reuss, David; Kölsche, Christian; Capper, David; Pfister, Stefan; Herold-Mende, Christel; Wick, Wolfgang; Deimling, Andreas von (Acta neuropathologica, 2014)