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Wang GF, Ren JA, Jiang J, Fan CG, Wang XB, Li JS.Wang GF, et al. Among authors: ren ja.World J Gastroenterol. 2004 May 1;10(9):1345-8. doi: 10.3748/wjg.v10.i9.1345.World J Gastroenterol. 2004.PMID: 15112356Free PMC article.
Ren JA, Tao QS, Wang XB, Zhao YZ, Hong SJ, Gu GS, Liu L, Li JS.Ren JA, et al.Zhonghua Wei Chang Wai Ke Za Zhi. 2005 Mar;8(2):117-20.Zhonghua Wei Chang Wai Ke Za Zhi. 2005.PMID: 16155819Chinese.
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