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Ittoop A, Zacharia TT.Ittoop A, et al. Among authors: zacharia tt.Emerg Radiol. 2012 Apr;19(2):149-57. doi: 10.1007/s10140-011-0995-y. Epub 2011 Nov 6.Emerg Radiol. 2012.PMID: 22057469Review.