1Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea.
2Institute for Digestive Research, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
3Department of Pathology, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
Copyright © 2012 Korean Society of Gastrointestinal Endoscopy
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