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Bekelman, J. E.; Rosenzweig, K. E.; Bach, P. B.; Schrag, D. International Journal of Radiation Oncology, Biology, Physics (2006)
Ballas, L. K.; Elkin, E. B.; Schrag, D.; Minsky, B. D.; Bach, P. B. International Journal of Radiation Oncology, Biology, Physics (2006)