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.
Kohl S, Christ-Adler M, Apfelstedt-Sylla E, Kellner U, Eckstein A, Zrenner E, Wissinger B.Kohl S, et al. Among authors: wissinger b.J Med Genet. 1997 Aug;34(8):620-6. doi: 10.1136/jmg.34.8.620.J Med Genet. 1997.PMID: 9279751Free PMC article.