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DOI: https://doi.org/10.3340/jkns.2015.57.3.167

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DOI: https://doi.org/10.3340/jkns.2010.48.6.480

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DOI: https://doi.org/10.3340/jkns.2008.43.6.281

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J Korean Neurosurg Soc. 2002;32(5):470-473.

J Korean Neurosurg Soc. 1997;26(7):995-998.

J Korean Neurosurg Soc. 1992;21(7):884-889.

J Korean Neurosurg Soc. 1987;16(1):37-48.