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.
Nardelli A, Giménez-Arnau E, Bernard G, Lepoittevin JP, Goossens A.Nardelli A, et al.Contact Dermatitis. 2009 Feb;60(2):91-5. doi: 10.1111/j.1600-0536.2008.01478.x.Contact Dermatitis. 2009.PMID: 19207379