Hye Seong Ahn, Hyuk-Joon Lee, Moon-Won Yoo, Sang-Ho Jeong, Tae-Su Han, Woo-Ho Kim, Soo-Chang Song, Han-Kwang Yang

J Korean Surg Soc.2010;79(4):239-245.   Published online 2010 October 31     DOI: http://dx.doi.org/10.4174/jkss.2010.79.4.239