Kim, Seung Young; Lee, Sang Woo; Hyun, Jong Jin; Jung, Sung Woo; Koo, Ja Seol; Yim, Hyung Joon; Park, Jong Jae; Chun, Hoon Jai; Choi, Jai Hyun
ArticleIssue Date2013CitationJOURNAL OF CLINICAL GASTROENTEROLOGY, v.47, no.1, pp 21 - 24PublisherLIPPINCOTT WILLIAMS & WILKINS