Ha, Kim G.; Jee, S.R.; Jang, J.Y.; Shin, S.K.; Choi, K.D.; Lee, J.H.; Kim, S.G.; Sung, J.K.; Choi, S.C.; Jeon, S.W., et al.
ArticleIssue Date2014CitationClinical Endoscopy, v.47, no.6, pp.516 - 522PublisherKorean Society of Gastrointestinal Endoscopy