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Tai CM, Liou JM, Tsai MC, Wang HP.Tai CM, et al. Among authors: liou jm.Gastrointest Endosc. 2005 Aug;62(2):307; discussion 307. doi: 10.1016/s0016-5107(05)01630-5.Gastrointest Endosc. 2005.PMID: 16047003No abstract available.