Navigated Intraoperative 2D Ultrasound in High-Grade Glioma Surgery: Impact on Extent of Resection and Patient Outcome - Moiraghi, A.; Prada, F.; Delaidelli, A.; Guatta, R.; May, A.; Bartoli, A.; Saini, M.; Bijlenga, P.; Schaller, K.; DiMeco, F. (Journal of Neurological Surgery Part A: Central European Neurosurgery, 2018)