J Korean Neurosurg Soc. 2016;59(1):17-25.   Published online January 20, 2016
DOI: https://doi.org/10.3340/jkns.2016.59.1.17

J Korean Neurosurg Soc. 2015;57(1):54-57.   Published online January 31, 2015
DOI: https://doi.org/10.3340/jkns.2015.57.1.54

J Korean Neurosurg Soc. 2012;52(5):480-483.   Published online November 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.5.480

J Korean Neurosurg Soc. 2012;51(6):374-376.   Published online June 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.51.6.374

J Korean Neurosurg Soc. 2011;50(3):260-263.
DOI: https://doi.org/10.3340/jkns.2011.50.3.260