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.
Kuhfittig-Kulle S, Feldmann E, Odersky A, Kuliczkowska A, Goedecke W, Eggert A, Pfeiffer P.Kuhfittig-Kulle S, et al. Among authors: pfeiffer p.Mutagenesis. 2007 May;22(3):217-33. doi: 10.1093/mutage/gem007. Epub 2007 Mar 7.Mutagenesis. 2007.PMID: 17347130