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Kim E, Ward TJ, Patel RS, Fischman AM, Nowakowski S, Lookstein RA.Kim E, et al. Among authors: patel rs.AJR Am J Roentgenol. 2014 Dec;203(6):W715-23. doi: 10.2214/AJR.13.12061.AJR Am J Roentgenol. 2014.PMID: 25415738Clinical Trial.