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Aparício DPDS, Otoch JP, Montero EFS, Khan MA, Artifon ELA.Aparício DPDS, et al. Among authors: artifon ela.United European Gastroenterol J. 2017 Oct;5(6):827-845. doi: 10.1177/2050640616681909. Epub 2016 Nov 22.United European Gastroenterol J. 2017.PMID: 29026597Free PMC article.