Hong, Sung Noh; Kim, Eun Ran; Ye, Byong Duk; Jang, Hyun Joo; Jeon, Seong Ran; Park, Soo Jung; Im, Jong Pil; Kim, Jeong Hwan; Choi, Chang Hwan; Choi, Hwang, et al.
ArticleIssue Date2016CitationDIGESTIVE ENDOSCOPY, v.28, no.4, pp 443 - 449PublisherWILEY-BLACKWELL