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.
Rodríguez-Martínez R, Labrenz M, del Campo J, Forn I, Jürgens K, Massana R.Rodríguez-Martínez R, et al. Among authors: massana r.Environ Microbiol. 2009 Feb;11(2):397-408. doi: 10.1111/j.1462-2920.2008.01779.x.Environ Microbiol. 2009.PMID: 19196271Free article.