Lee, Young-Sun; Kim, Hyun Jung; Kim, Ji Hoon; Yoo, Yang Jae; Kim, Tae Suk; Kang, Seong Hee; Suh, Sang Jun; Joo, Moon Kyung; Jung, Young Kul; Lee, Beom Jae, et al.
ArticleIssue Date2017CitationJournal of Clinical Gastroenterology, v.51, no.4, pp 364 - 377PublisherLippincott Williams & Wilkins Ltd.