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.
Nivelon-Chevallier A, Sidaner I, Mugneret F, Turc-Carel C.Nivelon-Chevallier A, et al.J Genet Hum. 1988 Aug;36(4):331-6.J Genet Hum. 1988.PMID: 3221209French.