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.
Cheung MK, Au CH, Chu KH, Kwan HS, Wong CK.Cheung MK, et al. Among authors: chu kh.ISME J. 2010 Aug;4(8):1053-9. doi: 10.1038/ismej.2010.26. Epub 2010 Mar 25.ISME J. 2010.PMID: 20336159Free article.