J Korean Neurosurg Soc. 2019;62(1):3-9.   Published online December 31, 2018
DOI: https://doi.org/10.3340/jkns.2018.0151

J Korean Neurosurg Soc. 2012;51(5):308-311.   Published online May 31, 2012
DOI: https://doi.org/10.3340/jkns.2012.51.5.308

J Korean Neurosurg Soc. 2011;50(1):1-5.
DOI: https://doi.org/10.3340/jkns.2011.50.1.1

J Korean Neurosurg Soc. 2011;49(1):13-19.
DOI: https://doi.org/10.3340/jkns.2011.49.1.13

J Korean Neurosurg Soc. 2010;48(4):319-324.
DOI: https://doi.org/10.3340/jkns.2010.48.4.319