Kong, Hwi; Kim, Yong Sik; Hyun, Jong Jin; Cho, Young Jig; Keum, Bora; Jeen, Yoon Tae; Lee, Hong Sik; Chun, Hoon Jai; Um, Soon Ho; Lee, Sang Woo, et al.
ArticleIssue Date2006CitationGASTROINTESTINAL ENDOSCOPY, v.64, no.4, pp 538 - 541PublisherMOSBY, INC