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van Aswegen A, Alderson PO, Nickoloff EL, Householder DF, Wagner HN Jr.van Aswegen A, et al. Among authors: nickoloff el.Radiology. 1980 Apr;135(1):165-70. doi: 10.1148/radiology.135.1.7360956.Radiology. 1980.PMID: 7360956