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Moulder JE, Fish BL, Wilson JF.Moulder JE, et al.Int J Radiat Oncol Biol Phys. 1990 Aug;19(2):341-8. doi: 10.1016/0360-3016(90)90542-r.Int J Radiat Oncol Biol Phys. 1990.PMID: 2394612