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Adult
1
Anti-Ro antibodies
1
Antibodies, Anti-Idiotypic
1
Antibodies, Antinuclear
1
Arthritis, Rheumatoid
1
Clinical significance
1
Cohort Studies
1
Cross-Sectional Studies
1
Disease severity
1
Female
1
HLA DR antigen
1
Humans
1
La antibody
1
Male
Middle Aged
Rheumatoid arthritis
1
Ro antibody
1
Severity of Illness Index
1
adult
1
antibody detection
1
antimalarial agent
1
antinuclear antibody
1
article
1
azathioprine
1
chlorambucil
1
controlled study
1
corticosteroid
1
cryoglobulinemia
1
cyclophosphamide
1
demography
-
1