Cho, Yu Kyung; Moon, Jeong Seop; Han, Dong Su; Lee, Yong Chan; Kim, Yeol; Park, Bo Young; Chung, Il-Kwun; Kim, Jin-Oh; Im, Jong Pil; Cha, Jae Myung, et al.
ArticleIssue Date2016CitationCLINICAL ENDOSCOPY, v.49, no.6, pp.542 - 547PublisherKOREAN SOC GASTROINTESTINAL ENDOSCOPY