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Gelman M, King MA, Neal DE, Pacht ER, Clanton TL, Diaz PT.Gelman M, et al. Among authors: diaz pt.AJR Am J Roentgenol. 1999 Apr;172(4):1033-8. doi: 10.2214/ajr.172.4.10587143.AJR Am J Roentgenol. 1999.PMID: 10587143