J Korean Neurosurg Soc. 2013;53(1):59-61.   Published online January 31, 2013
DOI: https://doi.org/10.3340/jkns.2013.53.1.59

J Korean Neurosurg Soc. 2012;51(1):1-7.   Published online January 31, 2012
DOI: https://doi.org/10.3340/jkns.2012.51.1.1

J Korean Neurosurg Soc. 2010;47(4):316-318.
DOI: https://doi.org/10.3340/jkns.2010.47.4.316

J Korean Neurosurg Soc. 2006;39(6):419-422.

J Korean Neurosurg Soc. 2004;35(6):628-630.

J Korean Neurosurg Soc. 2001;30(2):231-238.

J Korean Neurosurg Soc. 1993;22(4):558-561.