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Rheumatoid Arthritis
Arthritis
Cardiovascular Diseases
Rheumatic Diseases
Antirheumatic Agents
Tumor Necrosis Factor-alpha
Rheumatoid Factor
Great Britain
England
Registries
Severity of Illness Index
Cohort Studies
Risk Factors
Treatment Outcome
Prospective Studies
Time Factors
Rheumatology
Questionnaires
Disease Progression
Epidemiologic Methods
Co-Publications
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