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Abdulla C, Kalra MK, Saini S, Maher MM, Ahmad A, Halpern E, Silverman SG.Abdulla C, et al. Among authors: kalra mk.AJR Am J Roentgenol. 2002 Dec;179(6):1473-6. doi: 10.2214/ajr.179.6.1791473.AJR Am J Roentgenol. 2002.PMID: 12438037