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.
Zorn H, Fischer-Zorn M, Berger RG.Zorn H, et al. Among authors: berger rg.Appl Environ Microbiol. 2003 Jan;69(1):367-72. doi: 10.1128/AEM.69.1.367-372.2003.Appl Environ Microbiol. 2003.PMID: 12514017Free PMC article.