Multicentre phase II study of imatinib mesylate in patients with recurrent anaplastic oligodendroglioma (AOD)/mixed oligoastrocytoma (MOA) and anaplastic astrocytoma (AA)/low grade astrocytoma (LGA): An EORTC New Drug Development Group (NDDG) and Brain Tumor Group (BTG) studyMartin J. van den Bent, E. Raymond, Michel Frenay et al.|Journal of Clinical Oncology|2005Cited by 17