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van den Berg M, Dawes H, Wade DT, Newman M, Burridge J, Izadi H, Sackley CM.van den Berg M, et al. Among authors: wade dt.J Neurol Neurosurg Psychiatry. 2006 Apr;77(4):531-3. doi: 10.1136/jnnp.2005.064410.J Neurol Neurosurg Psychiatry. 2006.PMID: 16543538Free PMC article.Clinical Trial.