Choi, Hyuk Soon; Chun, Hoon Jai; Park, Sang Hoon; Keum, Bora; Seo, Yeon Seok; Kim, Yong Sik; Jeen, Yoon-Tae; Um, Soon Ho; Lee, Hong Sik; Kim, Chang Duck, et al.
ArticleIssue Date2012CitationWORLD JOURNAL OF GASTROENTEROLOGY, v.18, no.19, pp 2377 - 2382PublisherBAISHIDENG PUBLISHING GROUP INC