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Durlik M, Tuchalska-Czuroń J.Durlik M, et al.Prz Gastroenterol. 2014;9(6):313-6. doi: 10.5114/pg.2014.47892. Epub 2014 Dec 30.Prz Gastroenterol. 2014.PMID: 25653724Free PMC article.Review.