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Müller-Schilling M, Mayet WJ.Müller-Schilling M, et al.Gastroenterologe. 2021;16(5):315-316. doi: 10.1007/s11377-021-00554-y. Epub 2021 Aug 4.Gastroenterologe. 2021.PMID: 34377213Free PMC article.German.No abstract available.