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.
Darwin M, Schanzer S, Teichmann A, Blume-Peytavi U, Sterry W, Lademann J.Darwin M, et al. Among authors: lademann j.Hautarzt. 2006 Apr;57(4):286, 288-90. doi: 10.1007/s00105-006-1093-z.Hautarzt. 2006.PMID: 16485123German.