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Fluckiger JU, Loveless ME, Barnes SL, Lepage M, Yankeelov TE.Fluckiger JU, et al. Among authors: barnes sl.Phys Med Biol. 2013 Mar 21;58(6):1983-98. doi: 10.1088/0031-9155/58/6/1983. Epub 2013 Mar 4.Phys Med Biol. 2013.PMID: 23458745Free PMC article.