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Goetz M, Ziebart A, Foersch S, Vieth M, Waldner MJ, Delaney P, Galle PR, Neurath MF, Kiesslich R.Goetz M, et al. Among authors: waldner mj.Gastroenterology. 2010 Feb;138(2):435-46. doi: 10.1053/j.gastro.2009.10.032. Epub 2009 Oct 21.Gastroenterology. 2010.PMID: 19852961