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.
Roberts S, Menage J, Urban JP.Roberts S, et al. Among authors: urban jp.Spine (Phila Pa 1976). 1989 Feb;14(2):166-74. doi: 10.1097/00007632-198902000-00005.Spine (Phila Pa 1976). 1989.PMID: 2922637
Horner HA, Roberts S, Bielby RC, Menage J, Evans H, Urban JP.Horner HA, et al. Among authors: urban jp.Spine (Phila Pa 1976). 2002 May 15;27(10):1018-28. doi: 10.1097/00007632-200205150-00004.Spine (Phila Pa 1976). 2002.PMID: 12004167
Roberts S, Urban JP, Evans H, Eisenstein SM.Roberts S, et al. Among authors: urban jp.Spine (Phila Pa 1976). 1996 Feb 15;21(4):415-20. doi: 10.1097/00007632-199602150-00003.Spine (Phila Pa 1976). 1996.PMID: 8658243
Urban JP, Roberts S.Urban JP, et al.Arthritis Res Ther. 2003;5(3):120-30. doi: 10.1186/ar629. Epub 2003 Mar 11.Arthritis Res Ther. 2003.PMID: 12723977Free PMC article.Review.
Yu J, Fairbank JC, Roberts S, Urban JP.Yu J, et al. Among authors: urban jp.Spine (Phila Pa 1976). 2005 Aug 15;30(16):1815-20. doi: 10.1097/01.brs.0000173899.97415.5b.Spine (Phila Pa 1976). 2005.PMID: 16103849