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Ryan D, Rivest C, Riauka TA, Murtha AD, Fallone BG.Ryan D, et al. Among authors: rivest c.J Appl Clin Med Phys. 2009 Oct 15;10(4):165-176. doi: 10.1120/jacmp.v10i4.3071.J Appl Clin Med Phys. 2009.PMID: 19918237Free PMC article.