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Lee CM, Leung TK, Wang HJ, Lee WH, Shen LK, Liu JD, Chang CC, Chen YY.Lee CM, et al. Among authors: chen yy.World J Gastroenterol. 2007 Jan 28;13(4):619-22. doi: 10.3748/wjg.v13.i4.619.World J Gastroenterol. 2007.PMID: 17278231Free PMC article.
Lee CM, Chen HC, Leung TK, Chen YY.Lee CM, et al. Among authors: chen yy, chen hc.World J Gastroenterol. 2004 Aug 15;10(16):2417-8. doi: 10.3748/wjg.v10.i16.2417.World J Gastroenterol. 2004.PMID: 15285033Free PMC article.
Wang HJ, Leung TK, Lee CM, Lee WH, Shen LK, Chen YY.Wang HJ, et al. Among authors: chen yy.J Formos Med Assoc. 2007 Oct;106(10):883-6. doi: 10.1016/S0929-6646(08)60057-1.J Formos Med Assoc. 2007.PMID: 17964971Free article.