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.
Albrecht JS, Liu X, Smith GS, Baumgarten M, Rattinger GB, Gambert SR, Langenberg P, Zuckerman IH.Albrecht JS, et al.J Head Trauma Rehabil. 2015 Mar-Apr;30(2):E62-7. doi: 10.1097/HTR.0000000000000035.J Head Trauma Rehabil. 2015.PMID: 24816156Free PMC article.