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Ormsby EL, Duffield C, Ostovar-Sirjani F, McGahan JP, Troppmann C.Ormsby EL, et al.AJR Am J Roentgenol. 2007 Nov;189(5):1112-7. doi: 10.2214/AJR.07.2390.AJR Am J Roentgenol. 2007.PMID: 17954648