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South Africa
African Continental Ancestry Group
Lupus Erythematosus, Systemic
Rheumatoid Arthritis
Systemic Scleroderma
Pulmonary Fibrosis
Severity of Illness Index
Risk Factors
Retrospective Studies
Prevalence
Health Status
Disease Susceptibility
Quality of Life
Case Control Studies
Disability Evaluation
Autoantibodies
Antibodies, Antinuclear
Antirheumatic Agents
Cytokines
Genetic Predisposition to Disease
Co-Publications
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3
2
1
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