Yim, Sun Young, Um, Soon Ho, Jung, Jin Young, Seo, Yeon Seok, Yim, Hyung Joon, Ryu, Ho Sang, Chun, Hoon Jai, Jeen, Yoon Tae, Kim, Chang Duck, Keum, Bora, et al.
ArticleIssue Date2014CitationJOURNAL OF CLINICAL GASTROENTEROLOGY, v.48, no.2, pp.166 - 171PublisherLIPPINCOTT WILLIAMS & WILKINS