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Chaloupka JC, Putman CM, Citardi MJ, Ross DA, Sasaki CT.Chaloupka JC, et al. Among authors: citardi mj.AJNR Am J Neuroradiol. 1996 May;17(5):843-52.AJNR Am J Neuroradiol. 1996.PMID: 8733956Free PMC article.