Lee T.H.; Yoon J.Y.; Paik C.N.; Choi H.S.; Jang J.-Y.; The Quality Management Committee of The Korean Society of Gastrointestinal Endoscopy
ArticleIssue Date2019CitationClinical Endoscopy, v.52, no.5, pp 431 - 442PublisherKorean Society of Gastrointestinal Endoscopy