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Yang W, Guo C, Liu QG, Pan C.Yang W, et al. Among authors: liu qg.Biomed Pharmacother. 2009 Jul;63(6):404-8. doi: 10.1016/j.biopha.2008.08.020. Epub 2008 Sep 18.Biomed Pharmacother. 2009.PMID: 18849136
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Liu XM, Liu QG, Xu J, Pan CE.Liu XM, et al. Among authors: liu qg.World J Gastroenterol. 2005 Oct 21;11(39):6208-11. doi: 10.3748/wjg.v11.i39.6208.World J Gastroenterol. 2005.PMID: 16273652Free PMC article.
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