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West RL, Van der Woude CJ, Endtz HP, Hansen BE, Ouwedijk M, Boelens HA, Kusters JG, Kuipers EJ.West RL, et al. Among authors: hansen be.Dig Dis Sci. 2005 Jul;50(7):1260-3. doi: 10.1007/s10620-005-2769-4.Dig Dis Sci. 2005.PMID: 16047469Clinical Trial.