J Korean Neurosurg Soc. 2017;60(5):485-497.   Published online August 30, 2017
DOI: https://doi.org/10.3340/jkns.2017.0203.004 Correction in: J Korean Neurosurg Soc 2019;62(3):366

J Korean Neurosurg Soc. 2012;51(4):230-232.   Published online April 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.51.4.230

J Korean Neurosurg Soc. 2010;47(1):30-35.
DOI: https://doi.org/10.3340/jkns.2010.47.1.30

J Korean Neurosurg Soc. 2006;40(2):79-83.

J Korean Neurosurg Soc. 2004;35(5):483-486.

J Korean Neurosurg Soc. 2003;33(6):557-561.

J Korean Neurosurg Soc. 1992;21(9):1168-1173.