Cho, Sang Hee; Chun, Ka Yeong; Ryoo, Eell; Kim, Yeun Sun; Tchah, Hann
ArticleIssue Date2012CitationPediatric Gastroenterology, Hepatology and Nutrition, v.15, no.1, pp.23 - 28PublisherKorean Society of Pediartic Gastroenterology, Hepatology and Nutrition