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.
Ribeiro A, Vazquez-Sequeiros E, Wiersema LM, Wang KK, Clain JE, Wiersema MJ.Ribeiro A, et al. Among authors: wiersema lm.Gastrointest Endosc. 2001 Apr;53(4):485-91. doi: 10.1067/mge.2001.112841.Gastrointest Endosc. 2001.PMID: 11275890