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.
Metzler C, Hellmich B, Gause A, Gross WL, de Groot K.Metzler C, et al. Among authors: de groot k.Clin Exp Rheumatol. 2004;22(6 Suppl 36):S52-61.Clin Exp Rheumatol. 2004.PMID: 15675136Clinical Trial.
Reinhold-Keller E, Fink CO, Herlyn K, Gross WL, De Groot K.Reinhold-Keller E, et al. Among authors: de groot k.Arthritis Rheum. 2002 Jun 15;47(3):326-32. doi: 10.1002/art.10459.Arthritis Rheum. 2002.PMID: 12115164Free article.Clinical Trial.
de Groot K, Mühler M, Reinhold-Keller E, Paulsen J, Gross WL.de Groot K, et al.J Rheumatol. 1998 Mar;25(3):492-5.J Rheumatol. 1998.PMID: 9517769Clinical Trial.
Metzler C, Miehle N, Manger K, Iking-Konert C, de Groot K, Hellmich B, Gross WL, Reinhold-Keller E; German Network of Rheumatic Diseases.Metzler C, et al. Among authors: de groot k.Rheumatology (Oxford). 2007 Jul;46(7):1087-91. doi: 10.1093/rheumatology/kem029. Epub 2007 May 22.Rheumatology (Oxford). 2007.PMID: 17519271Clinical Trial.
Schönermarck U, Gross WL, de Groot K.Schönermarck U, et al. Among authors: de groot k.Nat Rev Nephrol. 2014 Jan;10(1):25-36. doi: 10.1038/nrneph.2013.225. Epub 2013 Nov 5.Nat Rev Nephrol. 2014.PMID: 24189648Review.
Richter C, Schnabel A, Csernok E, De Groot K, Reinhold-Keller E, Gross WL.Richter C, et al. Among authors: de groot k.Clin Exp Immunol. 1995 Jul;101(1):2-7. doi: 10.1111/j.1365-2249.1995.tb02268.x.Clin Exp Immunol. 1995.PMID: 7621588Free PMC article.
de Groot K, Reinhold-Keller E, Tatsis E, Paulsen J, Heller M, Nölle B, Gross WL.de Groot K, et al.Arthritis Rheum. 1996 Dec;39(12):2052-61. doi: 10.1002/art.1780391215.Arthritis Rheum. 1996.PMID: 8961911