TY - JOUR TI - A simple fixation and monitoring method for treating choroidal and orbital tumors using the CyberKnife® system AU - KILIÇ, A. AU - KÜÇÜK, N. AU - CEYLAN, C. AU - BAŞ, H. AU - GÜDEN, M. AU - ENGİN, K. JO - Turk J Oncol PY - 2009 VL - 24 SP - 159 EP - 165 DO - ER -