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Gupta AA, Kim DC, Krinsky GA, Lee VS.Gupta AA, et al.AJR Am J Roentgenol. 2004 Dec;183(6):1595-601. doi: 10.2214/ajr.183.6.01831595.AJR Am J Roentgenol. 2004.PMID: 15547196Review.No abstract available.
Holland AE, Hecht EM, Hahn WY, Kim DC, Babb JS, Lee VS, West AB, Krinsky GA.Holland AE, et al.Radiology. 2005 Dec;237(3):938-44. doi: 10.1148/radiol.2373041364.Radiology. 2005.PMID: 16306035