J Korean Neurosurg Soc. 2015;57(6):478-483.   Published online June 30, 2015
DOI: https://doi.org/10.3340/jkns.2015.57.6.478

J Korean Neurosurg Soc. 2014;56(6):509-512.   Published online December 31, 2014
DOI: https://doi.org/10.3340/jkns.2014.56.6.509

J Korean Neurosurg Soc. 2012;51(3):151-154.   Published online March 31, 2012
DOI: https://doi.org/10.3340/jkns.2012.51.3.151

J Korean Neurosurg Soc. 2009;46(4):403-408.
DOI: https://doi.org/10.3340/jkns.2009.46.4.403

J Korean Neurosurg Soc. 2007;41(1):53-56.

J Korean Neurosurg Soc. 2005;37(3):238-240.

J Korean Neurosurg Soc. 2004;35(2):220-222.

J Korean Neurosurg Soc. 1991;20(9):812-819.

J Korean Neurosurg Soc. 1982;11(3):389-395.