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Gehweiler JA Jr, Daffner RH, Roberts L Jr.Gehweiler JA Jr, et al. Among authors: daffner rh.AJR Am J Roentgenol. 1983 Jun;140(6):1083-6. doi: 10.2214/ajr.140.6.1083.AJR Am J Roentgenol. 1983.PMID: 6602470
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