Kliuchka, V. M., A. V. Rozumenko, V. D. Rozumenko, V. M. Semenova, and T. A. Malysheva. “Heterogeneity of Oligoastrocytoma: Morphology, Surgery, and Survival in the Series of 163 Patients. Retrospective Study”. Ukrainian Neurosurgical Journal, no. 3, Sept. 2018, pp. 24-33, doi:10.25305/unj.126654.