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.
Asher M, Lai SM, Burton D, Manna B, Cooper A.Asher M, et al.Spine (Phila Pa 1976). 2004 Sep 15;29(18):2013-23. doi: 10.1097/01.brs.0000138275.49220.81.Spine (Phila Pa 1976). 2004.PMID: 15371702Review.
Lucas B, Asher M, McIff T, Lark R, Burton D.Lucas B, et al.Spine (Phila Pa 1976). 2005 Jan 1;30(1):E20-7. doi: 10.1097/01.brs.0000149000.52646.2f.Spine (Phila Pa 1976). 2005.PMID: 15626968
Lai SM, Asher M, Burton D.Lai SM, et al.Spine (Phila Pa 1976). 2006 Feb 15;31(4):473-8. doi: 10.1097/01.brs.0000200049.94329.f4.Spine (Phila Pa 1976). 2006.PMID: 16481961