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.
Kozel MM, Bossuyt PM, Mekkes JR, Bos JD.Kozel MM, et al. Among authors: bossuyt pm.J Am Acad Dermatol. 2003 Mar;48(3):409-16. doi: 10.1067/mjd.2003.142.J Am Acad Dermatol. 2003.PMID: 12637921Review.
Rutjes AW, Reitsma JB, Di Nisio M, Smidt N, van Rijn JC, Bossuyt PM.Rutjes AW, et al. Among authors: bossuyt pm.CMAJ. 2006 Feb 14;174(4):469-76. doi: 10.1503/cmaj.050090.CMAJ. 2006.PMID: 16477057Free PMC article.