Aletaha Daniel, Breedveld Ferdinand C, Smolen Josef S
Division of Rheumatology, Department of Internal Medicine III, Medical University of Vienna, Vienna General Hospital, Waehringer Guertel 18-20, A-1090 Vienna, Austria.
Arthritis Rheum. 2005 Nov;52(11):3333-6. doi: 10.1002/art.21410.