Phase I/II trial of sorafenib and CCI-779 in patients with recurrent glioblastoma (GBM) Jaeckle, K. , Anderson, K. , Sarkaria, J. , Decker, P. , Buckner, J. ... - ICTT - - 2008 Abstract - Primary - Preliminary - Neuro-Onc - NCCTG-N0572