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International Journal of Radiation Oncology, Biology, Physics > 2009 > 74 > 4 > 1157-1164
International Journal of Radiation Oncology, Biology, Physics > 2009 > 74 > 1 > 133-139
International Journal of Radiation Oncology, Biology, Physics > 2009 > 74 > 1 > 304-312
International Journal of Radiation Oncology, Biology, Physics > 2008 > 71 > 3 > 756-764