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.
Meineche-Schmidt V, Krag E.Meineche-Schmidt V, et al.Scand J Prim Health Care. 1998 Dec;16(4):216-21. doi: 10.1080/028134398750002981.Scand J Prim Health Care. 1998.PMID: 9932314