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Yang DM, Jahng GH, Kim HC, Jin W, Ryu CW, Nam DH, Lee YK, Park SY.Yang DM, et al. Among authors: ryu cw.Br J Radiol. 2011 Apr;84(1000):319-26. doi: 10.1259/bjr/50130643. Epub 2010 Oct 19.Br J Radiol. 2011.PMID: 20959371Free PMC article.