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.
Michel FB, Bousquet J, Robinet-Levy M, Mary P.Michel FB, et al. Among authors: bousquet j.Nouv Presse Med. 1977 Nov 12;6(38):3546-7.Nouv Presse Med. 1977.PMID: 600728French.No abstract available.