Kliuchka, V. M., Rozumenko, A. V., Rozumenko, V. D., Semenova, V. M. and Malysheva, T. A. (2018) “Heterogeneity of oligoastrocytoma: morphology, surgery, and survival in the series of 163 patients. Retrospective study”, Ukrainian Neurosurgical Journal, (3), pp. 24–33. doi: 10.25305/unj.126654.