Min, Yang Won; Kim, Jin Su; Jeon, Seong Woo; Jeen, Yoon Tae; Im, Jong Pil; Cheung, Dae Young; Choi, Myung-Gyu; Kim, Jin-Oh; Lee, Kwang Jae; Ye, Byong Duk, et al.
ArticleIssue Date2014CitationENDOSCOPY, v.46, no.1, pp 59 - 65PublisherGEORG THIEME VERLAG KG