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DOI: https://doi.org/10.3340/jkns.2022.0106

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DOI: https://doi.org/10.3340/jkns.2012.52.3.261

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DOI: https://doi.org/10.3340/jkns.2009.46.4.346

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J Korean Neurosurg Soc. 1983;12(4):637-639.