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DOI: https://doi.org/10.3340/jkns.2014.55.4.218

J Korean Neurosurg Soc. 2012;52(3):167-171.   Published online September 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.3.167

J Korean Neurosurg Soc. 2011;50(2):114-118.
DOI: https://doi.org/10.3340/jkns.2011.50.2.114

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DOI: https://doi.org/10.3340/jkns.2009.46.5.468

J Korean Neurosurg Soc. 2003;33(2):149-153.

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