* Gevaert, T. et al. Setup Accuracy of the Novalis ExacTrac 6DOF System for Frameless Radiosurgery. Int. J. Radiat. Oncol. Biol. Phys. 82, 6 (2011).
* Gevaert, T. et al. Setup Accuracy of the Novalis ExacTrac 6DOF System for Frameless Radiosurgery. Int. J. Radiat. Oncol. Biol. Phys. 82, 6 (2011).