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.
Bono JL, Keen JE, Miller LC, Fox JM, Chitko-McKown CG, Heaton MP, Laegreid WW.Bono JL, et al.Appl Environ Microbiol. 2004 Mar;70(3):1855-7. doi: 10.1128/AEM.70.3.1855-1857.2004.Appl Environ Microbiol. 2004.PMID: 15006817Free PMC article.