Ha, Na Rae; Lee, Hang Lak; Yoon, Jai Hoon; Jo, Seung Cheol; Lee, Kang Nyeong; Shim, Sung Gon; Lee, Young; Yoon, Byung Chul; Choi, Ho Soon; Hahm, Joon Soo, et al.
ArticleIssue Date2009CitationGASTROINTESTINAL ENDOSCOPY, v.70, no.6, pp.1244 - 1245PublisherMOSBY-ELSEVIER