Surgery on the Lateral Skull Base with the Navigated Controlled Drill Employed for a Mastoidectomy (Pre Clinical Evaluation). - Mathias Hofer; R. Grunert; E. Dittrich; E. Müller; M. Möckel; Kirill Koulechov; Mario Strauss; Werner Korb; T. Schulz; Andreas Dietz; Tim C. Lüth; Gero Strauß (MMVR, 2007)