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.
Bacabac RG, Smit TH, Van Loon JJ, Doulabi BZ, Helder M, Klein-Nulend J.Bacabac RG, et al.FASEB J. 2006 May;20(7):858-64. doi: 10.1096/fj.05-4966.com.FASEB J. 2006.PMID: 16675843
Hoogendoorn RJ, Wuisman PI, Smit TH, Everts VE, Helder MN.Hoogendoorn RJ, et al. Among authors: helder mn.Spine (Phila Pa 1976). 2007 Aug 1;32(17):1816-25. doi: 10.1097/BRS.0b013e31811ebac5.Spine (Phila Pa 1976). 2007.PMID: 17762288