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Pei, X. , Cao, R. , Liu, H. , Jin, C. , Cheng, M. , Zheng, H. , Wu, Y. , Team, F.. "Beam Orientation Optimization Using Ant Colony Optimization in Intensity Modulated Radiation Therapy". World Academy of Science, Engineering and Technology, Open Science Index 56, International Journal of Biomedical and Biological Engineering (2011), 5(8), 323 - 326.