J Korean Neurosurg Soc. 2013;54(2):118-124.   Published online August 31, 2013
DOI: https://doi.org/10.3340/jkns.2013.54.2.118

J Korean Neurosurg Soc. 2012;52(3):261-263.   Published online September 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.3.261

J Korean Neurosurg Soc. 2010;48(2):134-138.
DOI: https://doi.org/10.3340/jkns.2010.48.2.134

J Korean Neurosurg Soc. 2009;46(4):346-350.
DOI: https://doi.org/10.3340/jkns.2009.46.4.346

J Korean Neurosurg Soc. 2009;45(5):303-305.
DOI: https://doi.org/10.3340/jkns.2009.45.5.303

J Korean Neurosurg Soc. 2005;37(5):325-328.

J Korean Neurosurg Soc. 2003;34(4):281-298.

J Korean Neurosurg Soc. 2002;32(2):169-172.

J Korean Neurosurg Soc. 1991;20(9):748-761.