Helal, D. S., and M. A. Elrashidy. “Role of IDH1 Immunostain In Differentiating Between Diffuse Astrocytoma and Reactive Astrocytosis”. Asian Journal of Medical Research, Vol. 5, no. 2, Mar. 2016, pp. 1-4, https://aijournals.com/index.php/ajmr/article/view/149.