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. SO - Turk J Oncol 2009;24:159-165. DO -