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.
Ho VC, Griffiths CE, Berth-Jones J, Papp KA, Vanaclocha F, Dauden E, Beard A, Puvanarajan L, Paul C.Ho VC, et al. Among authors: dauden e.J Am Acad Dermatol. 2001 Apr;44(4):643-51. doi: 10.1067/mjd.2001.112400.J Am Acad Dermatol. 2001.PMID: 11260540Clinical Trial.