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Rao AB, Richert N, Howard T, Lewis BK, Bash CN, McFarland HF, Frank JA.Rao AB, et al. Among authors: bash cn.Neurology. 2002 Sep 10;59(5):688-94. doi: 10.1212/wnl.59.5.688.Neurology. 2002.PMID: 12221158Clinical Trial.