Reliability among central readers in the evaluation of endoscopic disease activity in pouchitis by Samaan, MA, Shen, B, Mosli, MH, Zou, G, Sandborn, WJ, Shackelton, LM, Nelson, S, Stitt, L, Bloom, S, Pardi, DS, Gionchetti, P, Lindsay, J, Travis, S, Hart, A, Silverberg, MS, Feagan, BG, D'Haens, GR, Jairath, V

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