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Hallqvist A, Bergman B, Nyman J.Hallqvist A, et al. Among authors: bergman b.Radiother Oncol. 2012 Jul;104(1):39-44. doi: 10.1016/j.radonc.2012.05.006. Epub 2012 Jun 23.Radiother Oncol. 2012.PMID: 22727262
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