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.
Haddad V Jr, Haddad MR, Santos M, Cardoso JLC.Haddad V Jr, et al. Among authors: haddad mr.An Bras Dermatol. 2018 Mar;93(2):251-255. doi: 10.1590/abd1806-4841.20186378.An Bras Dermatol. 2018.PMID: 29723373Free PMC article.Review.