J Korean Neurosurg Soc. 2015;57(3):167-173.   Published online March 20, 2015
DOI: https://doi.org/10.3340/jkns.2015.57.3.167

J Korean Neurosurg Soc. 2010;48(6):480-484.
DOI: https://doi.org/10.3340/jkns.2010.48.6.480

J Korean Neurosurg Soc. 2005;38(6):481-483.

J Korean Neurosurg Soc. 2005;38(3):211-214.

J Korean Neurosurg Soc. 1997;26(7):995-998.

J Korean Neurosurg Soc. 1992;21(7):884-889.

J Korean Neurosurg Soc. 1987;16(1):37-48.