J Korean Neurosurg Soc. 2014;55(1):12-17.   Published online January 31, 2014
DOI: https://doi.org/10.3340/jkns.2014.55.1.12

J Korean Neurosurg Soc. 2011;49(2):120-123.
DOI: https://doi.org/10.3340/jkns.2011.49.2.120

J Korean Neurosurg Soc. 2010;47(5):332-337.
DOI: https://doi.org/10.3340/jkns.2010.47.5.332

J Korean Neurosurg Soc. 2005;37(4):287-292.

J Korean Neurosurg Soc. 2003;34(4):386-388.

J Korean Neurosurg Soc. 2003;34(2):156-158.

J Korean Neurosurg Soc. 2002;32(5):496-500.

J Korean Neurosurg Soc. 2001;30(10):1187-1192.

J Korean Neurosurg Soc. 2001;30(7):934-938.