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Adult
2
Arthritis, Rheumatoid
2
Cohort Studies
Female
2
Humans
2
Male
2
Middle Aged
2
Severity of Illness Index
adult
2
article
2
controlled study
2
demography
2
disease duration
2
female
2
human
major clinical study
2
male
priority journal
2
rheumatoid arthritis
2
Anti-Ro antibodies
1
Antibodies, Anti-Idiotypic
1
Antibodies, Antinuclear
1
Antirheumatic Agents
1
Argentina
1
Clinical significance
1
Comorbidity
1
Cross-Sectional Studies
1
Disability Evaluation
1
Disease Progression
1
Disease severity
1
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1
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2