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.
Costa NR, Mendes N, Marcos NT, Reis CA, Caffrey T, Hollingsworth MA, Santos-Silva F.Costa NR, et al. Among authors: marcos nt.World J Gastroenterol. 2008 Mar 7;14(9):1411-4. doi: 10.3748/wjg.14.1411.World J Gastroenterol. 2008.PMID: 18322957Free PMC article.
Barros R, Marcos N, Reis CA, De Luca A, David L, Almeida R.Barros R, et al.Scand J Gastroenterol. 2009;44(1):124-5. doi: 10.1080/00365520802530846.Scand J Gastroenterol. 2009.PMID: 18991163No abstract available.
Magalhães A, Marcos NT, Carvalho AS, David L, Figueiredo C, Bastos J, David G, Reis CA.Magalhães A, et al. Among authors: marcos nt.FEMS Immunol Med Microbiol. 2009 Aug;56(3):223-32. doi: 10.1111/j.1574-695X.2009.00569.x. Epub 2009 May 16.FEMS Immunol Med Microbiol. 2009.PMID: 19519784Free article.