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Berkowitz JL, Potter HG.Berkowitz JL, et al.AJR Am J Roentgenol. 2017 Sep;209(3):534-543. doi: 10.2214/AJR.16.17789. Epub 2017 May 24.AJR Am J Roentgenol. 2017.PMID: 28537800Free PMC article.Review.