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Luetmer PH, Schwartz KM, Eckel LJ, Hunt CH, Carter RE, Diehn FE.Luetmer PH, et al. Among authors: diehn fe.AJNR Am J Neuroradiol. 2012 Apr;33(4):690-4. doi: 10.3174/ajnr.A2849. Epub 2011 Dec 22.AJNR Am J Neuroradiol. 2012.PMID: 22194380Free PMC article.