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.
Ward SR, Kim CW, Eng CM, Gottschalk LJ 4th, Tomiya A, Garfin SR, Lieber RL.Ward SR, et al.J Bone Joint Surg Am. 2009 Jan;91(1):176-85. doi: 10.2106/JBJS.G.01311.J Bone Joint Surg Am. 2009.PMID: 19122093Free PMC article.