1. Accuray Inc. 500022 G CyberKnife Equipment Specifications. Accuray Inc. Sunnyvale, CA. 2011.
2. A study of the accuracy of cyberknife spinal radiosurgery using skeletal structure tracking;Ho;Neurosurgery,2007
3. Advances in fiducial-free image-guidance for spinal radiosurgery with CyberKnife a phantom study;Fürweger;J Appl Clin Med Phys,2010
4. Technical description, phantom accuracy, and clinical feasibility for fiducial-free frameless real-time image-guided spinal radiosurgery;Muacevic;J Neurosurg,2006
5. Fiducial-free real-time image-guided robotic radiosurgery for tumors of the sacrum/pelvis;Muacevic;Radiother Oncol,2009