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Buschman DL, Gamsu G, Waldron JA Jr, Klein JS, King TE Jr.Buschman DL, et al.AJR Am J Roentgenol. 1992 Nov;159(5):957-60. doi: 10.2214/ajr.159.5.1414806.AJR Am J Roentgenol. 1992.PMID: 1414806