Kang Sang-Wook, Jeong Jong Ju, Nam Kee-Hyun, Chang Hang Seok, Chung Woong Youn, Park Cheong Soo
Department of Surgery, Yonsei University College of Medicine, Seoul, South Korea.
J Am Coll Surg. 2009 Aug;209(2):e1-7. doi: 10.1016/j.jamcollsurg.2009.05.003. Epub 2009 Jun 12.