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Chuang CH, Sheu BS, Yang HB, Lee SC, Kao AW, Cheng HC, Chang WL, Yao WJ.Chuang CH, et al. Among authors: chang wl.Helicobacter. 2009 Feb;14(1):54-60. doi: 10.1111/j.1523-5378.2009.00653.x.Helicobacter. 2009.PMID: 19191897