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Vernino S, Auger RG, Emslie-Smith AM, Harper CM, Lennon VA.Vernino S, et al. Among authors: emslie smith am.Neurology. 1999 Oct 12;53(6):1233-9. doi: 10.1212/wnl.53.6.1233.Neurology. 1999.PMID: 10522878
De Visser M, Emslie-Smith AM, Engel AG.De Visser M, et al.J Neurol Sci. 1989 Dec;94(1-3):181-92. doi: 10.1016/0022-510x(89)90228-1.J Neurol Sci. 1989.PMID: 2614466