J Korean Neurosurg Soc. 2016;59(3):319-321.   Published online May 10, 2016
DOI: https://doi.org/10.3340/jkns.2016.59.3.319

J Korean Neurosurg Soc. 2013;54(5):431-433.   Published online November 30, 2013
DOI: https://doi.org/10.3340/jkns.2013.54.5.431

J Korean Neurosurg Soc. 2009;45(2):96-98.
DOI: https://doi.org/10.3340/jkns.2009.45.2.96

J Korean Neurosurg Soc. 2002;31(5):491-493.

J Korean Neurosurg Soc. 2001;30(10):1220-1223.

J Korean Neurosurg Soc. 1999;28(11):1636-1638.

J Korean Neurosurg Soc. 1998;27(5):655-659.