Ki-Tae Hwang, Jung Kee Chung, In Mok Jung, Seung Chul Heo, Young Joon Ahn, Hye Seong Ahn, Mee Soo Chang

J Korean Surg Soc.2009;77(5):357-361.   Published online 2009 November 6     DOI: http://dx.doi.org/10.4174/jkss.2009.77.5.357