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.
Popkin CA, Levine WN, Ahmad CS.Popkin CA, et al.J Am Acad Orthop Surg. 2015 Feb;23(2):77-86. doi: 10.5435/JAAOS-D-14-00033.J Am Acad Orthop Surg. 2015.PMID: 25624360Review.
Popkin CA, Nelson BJ, Park CN, Brooks SE, Lynch TS, Levine WN, Ahmad CS.Popkin CA, et al.Am J Orthop (Belle Mead NJ). 2017 May/Jun;46(3):123-134.Am J Orthop (Belle Mead NJ). 2017.PMID: 28666035Review.