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Levy EI, Boulos AS, Hanel RA, Tio FO, Alberico RA, Fronckowiak MD, Nemes B, Paciorek AM, Guterman LR, Hopkins LN.Levy EI, et al. Among authors: hopkins ln.J Neurosurg. 2003 Mar;98(3):544-53. doi: 10.3171/jns.2003.98.3.0544.J Neurosurg. 2003.PMID: 12650426