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Lim JY, Yoon SO, Seol SY, Hong SW, Kim JW, Choi SH, Cho JY.Lim JY, et al. Among authors: yoon so.World J Gastroenterol. 2012 Aug 14;18(30):4037-43. doi: 10.3748/wjg.v18.i30.4037.World J Gastroenterol. 2012.PMID: 22912555Free PMC article.