Park S, Chun H J, Keum B, Lee B J, Seo Y S, Kim Y S, Park J J, Jeen Y T, Lee H S, Um S H, Kim C D, Ryu H S
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Hanil General Hospital, KEPCO Medical Foundation, Seoul, Korea.
Endoscopy. 2011;43 Suppl 2 UCTN:E187-8. doi: 10.1055/s-0030-1256323. Epub 2011 May 16.