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Fox BD, Cheung VJ, Patel AJ, Suki D, Rao G.Fox BD, et al. Among authors: patel aj.Neurosurg Clin N Am. 2011 Jan;22(1):1-6, v. doi: 10.1016/j.nec.2010.08.007.Neurosurg Clin N Am. 2011.PMID: 21109143Review.