J Korean Neurosurg Soc. 2012;52(6):561-563.   Published online December 31, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.6.561

J Korean Neurosurg Soc. 2007;41(1):53-56.

J Korean Neurosurg Soc. 2006;39(5):393-395.

J Korean Neurosurg Soc. 2003;34(4):372-374.

J Korean Neurosurg Soc. 2001;30(8):1037-1041.

J Korean Neurosurg Soc. 1998;27(12):1716-1722.