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.
Lau JY, King R, Tibbs CJ, Catterall AP, Smith HM, Portmann BC, Alexander GJ, Williams R.Lau JY, et al. Among authors: tibbs cj.J Med Virol. 1993 Apr;39(4):292-6. doi: 10.1002/jmv.1890390407.J Med Virol. 1993.PMID: 8492101Clinical Trial.
McCarthy M, Gane E, Pereira S, Tibbs CJ, Heaton N, Rela M, Hambley H, Williams R.McCarthy M, et al. Among authors: tibbs cj.Gut. 1996 Dec;39(6):870-5. doi: 10.1136/gut.39.6.870.Gut. 1996.PMID: 9038673Free PMC article.