J Korean Neurosurg Soc. 2017;60(6):676-683.   Published online October 25, 2017
DOI: https://doi.org/10.3340/jkns.2016.1010.013

J Korean Neurosurg Soc. 2016;59(4):374-378.   Published online July 8, 2016
DOI: https://doi.org/10.3340/jkns.2016.59.4.374

J Korean Neurosurg Soc. 2015;57(1):36-41.   Published online January 31, 2015
DOI: https://doi.org/10.3340/jkns.2015.57.1.36

J Korean Neurosurg Soc. 2014;56(2):114-120.   Published online August 31, 2014
DOI: https://doi.org/10.3340/jkns.2014.56.2.114

J Korean Neurosurg Soc. 2012;52(5):452-458.   Published online November 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.5.452

J Korean Neurosurg Soc. 2011;49(5):308-313.
DOI: https://doi.org/10.3340/jkns.2011.49.5.308

J Korean Neurosurg Soc. 2004;35(5):472-477.

J Korean Neurosurg Soc. 2002;32(4):329-333.

J Korean Neurosurg Soc. 1999;28(6):823-828.

J Korean Neurosurg Soc. 1998;27(9):1250-1256.