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Tan E, Sahin IH.Tan E, et al. Among authors: sahin ih.Expert Rev Gastroenterol Hepatol. 2021 Jul;15(7):735-742. doi: 10.1080/17474124.2021.1886077. Epub 2021 Feb 18.Expert Rev Gastroenterol Hepatol. 2021.PMID: 33539189Review.