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.
Sprangers MA, Moinpour CM, Moynihan TJ, Patrick DL, Revicki DA; Clinical Significance Consensus Meeting Group.Sprangers MA, et al.Mayo Clin Proc. 2002 Jun;77(6):561-71. doi: 10.4065/77.6.561.Mayo Clin Proc. 2002.PMID: 12059127Review.