Lee, Kang Won; Lee, Jae Min; Choi, Hyuk Soon; Kim, Eun Sun; Keum, Bora; Seo, Yeon Seok; Jeen, Yoon Tae; Um, Soon Ho; Lee, Hong Sik; Chun, Hoon Jai, et al.
ArticleIssue Date2021CitationCLINICAL ENDOSCOPY, v.54, no.3, pp.413 - 419PublisherKOREAN SOC GASTROINTESTINAL ENDOSCOPY