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.
Cresci GAM, Mayor PC, Thompson SA.Cresci GAM, et al.FEMS Microbiol Lett. 2017 Mar 1;364(6):fnx046. doi: 10.1093/femsle/fnx046.FEMS Microbiol Lett. 2017.PMID: 28333199Free PMC article.