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.
Buttar NS, Wang KK, Anderson MA, Dierkhising RA, Pacifico RJ, Krishnadath KK, Lutzke LS.Buttar NS, et al.J Natl Cancer Inst. 2002 Mar 20;94(6):422-9. doi: 10.1093/jnci/94.6.422.J Natl Cancer Inst. 2002.PMID: 11904314
Wang KK, Wongkeesong M, Buttar NS; American Gastroenterological Association.Wang KK, et al. Among authors: buttar ns.Gastroenterology. 2005 May;128(5):1468-70. doi: 10.1053/j.gastro.2005.03.076.Gastroenterology. 2005.PMID: 15887128No abstract available.