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.
Crossman K, Mahon M, Watson PJ, Oldham JA, Cooper RG.Crossman K, et al. Among authors: watson pj.Spine (Phila Pa 1976). 2004 Mar 15;29(6):628-34. doi: 10.1097/01.brs.0000115133.97216.ec.Spine (Phila Pa 1976). 2004.PMID: 15014272
Johnson RE, Jones GT, Wiles NJ, Chaddock C, Potter RG, Roberts C, Symmons DP, Watson PJ, Torgerson DJ, Macfarlane GJ.Johnson RE, et al. Among authors: watson pj.Spine (Phila Pa 1976). 2007 Jul 1;32(15):1578-85. doi: 10.1097/BRS.0b013e318074f890.Spine (Phila Pa 1976). 2007.PMID: 17621203Clinical Trial.