O. Y. Chuvashova, V. D. Rozumenko, A. Y. Glavatskiy, and G. V. Hmelnitskiy, “Preoperative functional MRI as noninvasive method of mapping of the brain cortex at gliomas which amaze functionally significant zones”, Ukr Neurosurg J, no. 4, pp. 16–20, Dec. 2008.