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El-Fattah MA, Aboelmagd M, Elhamouly M.El-Fattah MA, et al.United European Gastroenterol J. 2017 Mar;5(2):227-235. doi: 10.1177/2050640616659024. Epub 2016 Jul 9.United European Gastroenterol J. 2017.PMID: 28344790Free PMC article.