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.
Popa ER, Stegeman CA, Kallenberg CG, Tervaert JW.Popa ER, et al. Among authors: kallenberg cg.Arthritis Res. 2002;4(2):77-9. doi: 10.1186/ar392. Epub 2001 Oct 26.Arthritis Res. 2002.PMID: 11879541Free PMC article.Review.
Abdulahad WH, Stegeman CA, van der Geld YM, Doornbos-van der Meer B, Limburg PC, Kallenberg CG.Abdulahad WH, et al. Among authors: kallenberg cg.Arthritis Rheum. 2007 Jun;56(6):2080-91. doi: 10.1002/art.22692.Arthritis Rheum. 2007.PMID: 17530650Free article.