J Korean Neurosurg Soc. 2013;54(1):30-33.   Published online July 31, 2013
DOI: https://doi.org/10.3340/jkns.2013.54.1.30

J Korean Neurosurg Soc. 2010;47(1):1-6.
DOI: https://doi.org/10.3340/jkns.2010.47.1.1

J Korean Neurosurg Soc. 2009;46(1):11-15.
DOI: https://doi.org/10.3340/jkns.2009.46.1.11

J Korean Neurosurg Soc. 2008;44(1):19-25.
DOI: https://doi.org/10.3340/jkns.2008.44.1.19

J Korean Neurosurg Soc. 2006;39(6):413-418.

J Korean Neurosurg Soc. 2004;36(5):383-387.

J Korean Neurosurg Soc. 1999;28(9):1299-1304.