Chung Hyuk Jun, Oh Seong Taek, Kim Jun Gi, Kang Won-Kyung
Department of Surgery, Seoul St May's Hospital, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, South Korea.
J Gastrointest Surg. 2012 Feb;16(2):411-4. doi: 10.1007/s11605-011-1698-0. Epub 2011 Sep 30.