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.
Innes KE, Selfe TK, Brown CJ, Rose KM, Thompson-Heisterman A.Innes KE, et al. Among authors: selfe tk.Evid Based Complement Alternat Med. 2012;2012:927509. doi: 10.1155/2012/927509. Epub 2012 Feb 21.Evid Based Complement Alternat Med. 2012.PMID: 22454689Free PMC article.