ArticleIssue Date1995CitationKorean Journal of Gastrointestinal Endoscopy, v.15, no.4, pp 788 - 795PublisherThe Korean Society of Gastrointestinal Endoscopy
ArticleIssue Date1995CitationKorean Journal of Gastrointestinal Endoscopy, v.15, no.1, pp 91 - 97PublisherThe Korean Society of Gastrointestinal Endoscopy