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Neuman M, Angulo P, Malkiewicz I, Jorgensen R, Shear N, Dickson ER, Haber J, Katz G, Lindor K.Neuman M, et al. Among authors: dickson er.J Gastroenterol Hepatol. 2002 Feb;17(2):196-202. doi: 10.1046/j.1440-1746.2002.02672.x.J Gastroenterol Hepatol. 2002.PMID: 11966951Clinical Trial.