Keun Myoung Park, Jang Young Kim, Ji Eun Jung, Yong Sun Jeon, Soon Gu Cho, Yun-Mee Choe, Sun Keun Choi, Yoon Seok Heo, Keon Young Lee, Sei-Joong Kim, Young Up Cho, Seung Ik Ahn, Seok Hwan Shin, Kyung Rae Kim, Kee Chun Hong

J Korean Surg Soc.2010;78(4):231-237.   Published online 2010 April 13     DOI: http://dx.doi.org/10.4174/jkss.2010.78.4.231