Brehar, F. M., R. M. Gorgan, and M. Lisievici. “Image-Guided Stereotactic Biopsy of Infiltrative, Multicentric and Deep-Seated Supratentorial Cerebral Gliomas”. Romanian Neurosurgery, vol. 19, no. 2, June 2012, pp. 87-95, https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/646.