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Daniels DL, Czervionke LF, Pech P, Hendrix LE, Mark LP, Smith DF, Haughton VM, Williams AL.Daniels DL, et al.AJNR Am J Neuroradiol. 1988 Jul-Aug;9(4):675-8.AJNR Am J Neuroradiol. 1988.PMID: 3135713Free PMC article.