The use of megavoltage radiation therapy in the treatment of thymomas in rabbits: 19 cases - Andres, K M; Kent, M; Siedlecki, C T; Mayer, J; Brandão, J; Hawkins, M G; Morrisey, J K; Quesenberry, K; Valli, V E; Bennett, R A (Vet Comp Oncol, 2012)