Kim, Hae Won; Kim, Jie-Hyun; Park, Jun Chul; Jeon, Mi Young; Lee, Yong Chan; Lee, Sang Kil; Shin, Sung Kwan; Chung, Hyun Soo; Noh, Sung Hoon; Kim, Jong Won, et al.
ArticleIssue Date2017CitationGASTROINTESTINAL ENDOSCOPY, v.86, no.5, pp 849 - 856PublisherMOSBY-ELSEVIER