The role of cytotoxic chemotherapy in the management of progressive glioblastoma : a systematic review and evidence-based clinical practice guideline.
Olson JJ, Nayak L, Ormond DR, Wen PY, Kalkanis SN. The role of cytotoxic chemotherapy in the management of progressive glioblastoma : a systematic review and evidence-based clinical practice guideline. J Neurooncol. 2014 Jul; 118(3):501-55.