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.
Narang NS, Casciola-Rosen L, Li S, Chung L, Fiorentino DF.Narang NS, et al. Among authors: fiorentino df.Arthritis Care Res (Hoboken). 2015 May;67(5):667-72. doi: 10.1002/acr.22498.Arthritis Care Res (Hoboken). 2015.PMID: 25331610Free PMC article.