Kang, Seung Hun; Jeen, Yoon Tae; Lee, Jae Hyung; Yoo, In Kyung; Lee, Jae Min; Kim, Seung Han; Choi, Hyuk Soon; Kim, Eun Sun; Keum, Bora; Lee, Hong Sik, et al.
ArticleIssue Date2017CitationGASTROINTESTINAL ENDOSCOPY, v.86, no.2, pp 343 - 348PublisherMOSBY-ELSEVIER