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.
Arends S, Brouwer E, van der Veer E, Groen H, Leijsma MK, Houtman PM, Th A Jansen TL, Kallenberg CG, Spoorenberg A.Arends S, et al. Among authors: houtman pm.Arthritis Res Ther. 2011 Jun 20;13(3):R94. doi: 10.1186/ar3369.Arthritis Res Ther. 2011.PMID: 21689401Free PMC article.
Arends S, Spoorenberg A, Houtman PM, Leijsma MK, Bos R, Kallenberg CG, Groen H, Brouwer E, van der Veer E.Arends S, et al. Among authors: houtman pm.Arthritis Res Ther. 2012 Apr 30;14(2):R98. doi: 10.1186/ar3823.Arthritis Res Ther. 2012.PMID: 22546520Free PMC article.
Arends S, Hofman M, Kamsma YP, van der Veer E, Houtman PM, Kallenberg CG, Spoorenberg A, Brouwer E.Arends S, et al. Among authors: houtman pm.Arthritis Res Ther. 2013 Aug 23;15(4):R99. doi: 10.1186/ar4279.Arthritis Res Ther. 2013.PMID: 23971767Free PMC article.
van Leeuwen MA, van der Heijde DM, van Rijswijk MH, Houtman PM, van Riel PL, van de Putte LB, Limburg PC.van Leeuwen MA, et al. Among authors: houtman pm.J Rheumatol. 1994 Mar;21(3):425-9.J Rheumatol. 1994.PMID: 7516430
van Leeuwen MA, van Rijswijk MH, van der Heijde DM, Te Meerman GJ, van Riel PL, Houtman PM, van De Putte LB, Limburg PC.van Leeuwen MA, et al. Among authors: houtman pm.Br J Rheumatol. 1993 Jun;32 Suppl 3:9-13. doi: 10.1093/rheumatology/32.suppl_3.9.Br J Rheumatol. 1993.PMID: 8508266