J Korean Neurosurg Soc. 2014;56(5):410-418.   Published online November 30, 2014
DOI: https://doi.org/10.3340/jkns.2014.56.5.410

J Korean Neurosurg Soc. 2013;54(2):100-106.   Published online August 31, 2013
DOI: https://doi.org/10.3340/jkns.2013.54.2.100

J Korean Neurosurg Soc. 2011;50(2):103-108.
DOI: https://doi.org/10.3340/jkns.2011.50.2.103

J Korean Neurosurg Soc. 2010;48(5):399-405.
DOI: https://doi.org/10.3340/jkns.2010.48.5.399

J Korean Neurosurg Soc. 2007;41(4):230-235.
DOI: https://doi.org/10.3340/jkns.2007.41.4.230

J Korean Neurosurg Soc. 2006;39(3):204-209.

J Korean Neurosurg Soc. 2004;35(3):290-296.

J Korean Neurosurg Soc. 2003;34(6):560-564.

J Korean Neurosurg Soc. 2003;34(6):537-542.

J Korean Neurosurg Soc. 2003;33(2):214-217.