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Kumar A, Lin L, Bernheim O, Bagiella E, Jandorf L, Itzkowitz SH, Shah BJ.Kumar A, et al. Among authors: itzkowitz sh.Gut Liver. 2016 Jul 15;10(4):569-73. doi: 10.5009/gnl15230.Gut Liver. 2016.PMID: 27021501Free PMC article.