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.
Srivastava A, Jong S, Gola A, Gailer R, Morgan S, Sennett K, Tanwar S, Pizzo E, O'Beirne J, Tsochatzis E, Parkes J, Rosenberg W.Srivastava A, et al.BMC Gastroenterol. 2019 Jul 11;19(1):122. doi: 10.1186/s12876-019-1039-4.BMC Gastroenterol. 2019.PMID: 31296161Free PMC article.
Hussain A, Patel PJ, Rhodes F, Srivastava A, Patch D, Rosenberg W.Hussain A, et al.Clin Med (Lond). 2020 May;20(3):313-318. doi: 10.7861/clinmed.2019-0250.Clin Med (Lond). 2020.PMID: 32414722Free PMC article.