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.
McAdam-Marx C, Yu J, Bouchard J, Aagren M, Brixner DI.McAdam-Marx C, et al.Curr Med Res Opin. 2010 Jan;26(1):191-201. doi: 10.1185/03007990903432470.Curr Med Res Opin. 2010.PMID: 19919375