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.
Evans C, Tam J, Kingwell E, Oger J; University of British Columbia MS Clinic Neurologists; Tremlett H.Evans C, et al. Among authors: tremlett h.Clin Ther. 2012 Feb;34(2):341-50. doi: 10.1016/j.clinthera.2012.01.006. Epub 2012 Jan 31.Clin Ther. 2012.PMID: 22296946