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.
Siegert C, Daha M, Westedt ML, van der Voort E, Breedveld F.Siegert C, et al. Among authors: westedt ml.J Rheumatol. 1991 Feb;18(2):230-4.J Rheumatol. 1991.PMID: 2023216
Peeters AJ, van den Wall Bake AW, van Albada-Kuipers GA, Westedt ML, Brand R, Breedveld FC, van Es LA, Cats A.Peeters AJ, et al. Among authors: westedt ml.J Rheumatol. 1988 Nov;15(11):1662-7.J Rheumatol. 1988.PMID: 3236300