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Gong Y, Huang Z, Christensen E, Gluud C.Gong Y, et al. Among authors: christensen e.Am J Gastroenterol. 2007 Aug;102(8):1799-807. doi: 10.1111/j.1572-0241.2007.01235.x. Epub 2007 Apr 24.Am J Gastroenterol. 2007.PMID: 17459023Review.
Gong Y, Christensen E, Gluud C.Gong Y, et al. Among authors: christensen e.Cochrane Database Syst Rev. 2007 Jul 18;2007(3):CD005526. doi: 10.1002/14651858.CD005526.pub2.Cochrane Database Syst Rev. 2007.PMID: 17636804Free PMC article.Review.
Gong Y, Christensen E, Gluud C.Gong Y, et al. Among authors: christensen e.Cochrane Database Syst Rev. 2007 Jul 18;2007(3):CD006000. doi: 10.1002/14651858.CD006000.pub2.Cochrane Database Syst Rev. 2007.PMID: 17636817Free PMC article.Review.
Gong Y, Huang ZB, Christensen E, Gluud C.Gong Y, et al. Among authors: christensen e.Cochrane Database Syst Rev. 2008 Jul 16;(3):CD000551. doi: 10.1002/14651858.CD000551.pub2.Cochrane Database Syst Rev. 2008.PMID: 18677775Updated.Review.
Prince M, Christensen E, Gluud C.Prince M, et al. Among authors: christensen e.Cochrane Database Syst Rev. 2005 Apr 18;2005(2):CD003778. doi: 10.1002/14651858.CD003778.pub2.Cochrane Database Syst Rev. 2005.PMID: 15846681Free PMC article.Review.