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Taylor CL, Kopitnik TA Jr, Samson DS, Purdy PD.Taylor CL, et al. Among authors: kopitnik ta jr.J Neurosurg. 2003 Jul;99(1):15-22. doi: 10.3171/jns.2003.99.1.0015.J Neurosurg. 2003.PMID: 12854738
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