Flamerz, Bassam Mahmood, et al. “Cognitive Effects of Tumor and Surgical Treatment in Patients With Cerebral Gliomas”. AL-Kindy College Medical Journal, vol. 9, no. 2, June 2013, pp. 64-70, https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/532.