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Yao Y, Huang C, Li ZF, Wang AY, Liu LY, Zhao XG, Luo Y, Ni L, Zhang WG, Song TS.Yao Y, et al. Among authors: huang c.World J Gastroenterol. 2009 Apr 14;15(14):1751-8. doi: 10.3748/wjg.15.1751.World J Gastroenterol. 2009.PMID: 19360919Free PMC article.