An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Marcos P, Brito-Gonçalves G, Libânio D, Pita I, Castro R, Sá I, Dinis-Ribeiro M, Pimentel-Nunes P.Marcos P, et al. Among authors: castro r.Gut. 2020 Oct;69(10):1762-1768. doi: 10.1136/gutjnl-2019-320091. Epub 2020 Feb 12.Gut. 2020.PMID: 32051208
Patita M, Castro R, Libânio D, Bastos RP, Silva R, Dinis-Ribeiro M, Pimentel-Nunes P.Patita M, et al. Among authors: castro r.GE Port J Gastroenterol. 2020 Nov;27(6):383-390. doi: 10.1159/000507200. Epub 2020 May 13.GE Port J Gastroenterol. 2020.PMID: 33251287Free PMC article.