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Dulay MF, Levin HS, York MK, Mizrahi EM, Verma A, Goldsmith I, Grossman RG, Yoshor D.Dulay MF, et al. Among authors: levin hs.Neurology. 2009 May 26;72(21):1837-42. doi: 10.1212/WNL.0b013e3181a71132.Neurology. 2009.PMID: 19470966