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.
Deleze M, Alarcón-Segovia D, Valdes-Macho E, Oria CV, Ponce de Leon S.Deleze M, et al.J Rheumatol. 1989 Jun;16(6):768-72.J Rheumatol. 1989.PMID: 2778759