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O'Connor SE, Kwiatkowski DJ, Roberts PS, Wollmann RL, Huttenlocher PR.O'Connor SE, et al. Among authors: roberts ps.Neurology. 2003 Aug 12;61(3):409-12. doi: 10.1212/01.wnl.0000073272.47681.bb.Neurology. 2003.PMID: 12913212