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Malloy PC, Richard HM 3rd.Malloy PC, et al. Among authors: richard hm 3rd.Radiol Clin North Am. 2006 Mar;44(2):239-49, viii. doi: 10.1016/j.rcl.2005.11.001.Radiol Clin North Am. 2006.PMID: 16500206Review.