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Chung EM, Soderlund KA, Fagen KE.Chung EM, et al. Among authors: fagen ke.Radiol Clin North Am. 2017 Mar;55(2):337-357. doi: 10.1016/j.rcl.2016.10.010. Epub 2016 Dec 24.Radiol Clin North Am. 2017.PMID: 28126219Review.