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.
Rothenberg M, Cheung R, Ahmed A.Rothenberg M, et al. Among authors: cheung r.Dig Dis Sci. 2009 Feb;54(2):218-21. doi: 10.1007/s10620-008-0628-9. Epub 2008 Nov 25.Dig Dis Sci. 2009.PMID: 19034647No abstract available.
Ahmed A, Cheung RC, Keeffe EB.Ahmed A, et al. Among authors: cheung rc.Am Fam Physician. 2000 Mar 15;61(6):1673-80, 1687-8.Am Fam Physician. 2000.PMID: 10750875Free article.Review.
Ahmed A, Samuels SL, Keeffe EB, Cheung RC.Ahmed A, et al. Among authors: cheung rc.Am J Gastroenterol. 2001 Jan;96(1):233-7. doi: 10.1111/j.1572-0241.2001.03482.x.Am J Gastroenterol. 2001.PMID: 11197259
He XS, Ji X, Hale MB, Cheung R, Ahmed A, Guo Y, Nolan GP, Pfeffer LM, Wright TL, Risch N, Tibshirani R, Greenberg HB.He XS, et al. Among authors: cheung r.Hepatology. 2006 Aug;44(2):352-9. doi: 10.1002/hep.21267.Hepatology. 2006.PMID: 16871572
Kamal A, Cheung R.Kamal A, et al. Among authors: cheung r.Dig Dis Sci. 2007 Oct;52(10):2564-9. doi: 10.1007/s10620-006-9668-1. Epub 2007 Apr 6.Dig Dis Sci. 2007.PMID: 17415636