How much difference does the age at onset make in early arthritis patients? Comparison between the ACR 1987 and the ACR/EULAR 2010 classification criteria for rheumatoid arthritis at the time of diagnosis

Validation of the 2010 ACR/EULAR classification criteria for rheumatoid arthritis: slight improvement over the 1987 ACR criteria

(2011) K. Britsemmer et al.   ANNALS OF THE RHEUMATIC DISEASES

The 2010 American College of Rheumatology/European League Against Rheumatism classification criteria for rheumatoid arthritis: Methodological Report Phase I

(2010) J. Funovits et al.   ANNALS OF THE RHEUMATIC DISEASES

Classification of rheumatoid arthritis: Comparison of the 1987 American College of Rheumatology criteria and the 2010 American College of Rheumatology/European League Against Rheumatism criteria

(2010) M. P. M. van der Linden et al.   ARTHRITIS AND RHEUMATISM

2010 Rheumatoid arthritis classification criteria: An American College of Rheumatology/European League Against Rheumatism collaborative initiative

(2010) Daniel Aletaha et al.   ARTHRITIS AND RHEUMATISM

Anti-CCP antibodies are associated with early age at onset in patients with rheumatoid arthritis

(2010) Francisco J. Diaz et al.   JOINT BONE SPINE

Proinflammatory Cytokine Profiles of Patients with Elderly-Onset Rheumatoid Arthritis: A Comparison with Younger-Onset Disease

(2008) Der-Yuan Chen et al.   GERONTOLOGY