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.
Wajcman H, Labie D.Wajcman H, et al. Among authors: labie d.Ann Med Interne (Paris). 1981;132(8):568-94.Ann Med Interne (Paris). 1981.PMID: 6175265Review.French.