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.
Nettelnbreker E, Zeidler H, Bartels H, Dreses-Werringloer U, Däubener W, Holtmann H, Köhler L.Nettelnbreker E, et al. Among authors: bartels h.J Med Microbiol. 1998 Feb;47(2):141-9. doi: 10.1099/00222615-47-2-141.J Med Microbiol. 1998.PMID: 9879957