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DOI: https://doi.org/10.3340/jkns.2008.44.6.358

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DOI: https://doi.org/10.3340/jkns.2008.44.2.67

J Korean Neurosurg Soc. 2008;43(6):265-269.
DOI: https://doi.org/10.3340/jkns.2008.43.6.265

J Korean Neurosurg Soc. 2004;36(4):286-290.