Diffusion-Weighted MR Imaging and MGMT Methylation Status in Glioblastoma: A Reappraisal of the Role of Preoperative Quantitative ADC Measurements - Gupta, A.; Prager, A.; Young, R.J.; Shi, W.; Omuro, A.M.P.; Graber, J.J. (American Journal of Neuroradiology, 2013)