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Thirion P, Holmberg O, Collins CD, O'Shea C, Moriarty M, Pomeroy M, O'Sullivan C, Buckney S, Armstrong J.Thirion P, et al. Among authors: o shea c, holmberg o, o sullivan c.Radiother Oncol. 2004 May;71(2):163-6. doi: 10.1016/j.radonc.2003.09.006.Radiother Oncol. 2004.PMID: 15110449Clinical Trial.