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Adult
4
Arthritis, Rheumatoid
4
Disease severity
4
Female
4
HLA DR antigen
Humans
4
Male
4
Middle Aged
Rheumatoid arthritis
4
Severity of Illness Index
adult
4
article
4
controlled study
4
disease duration
female
hand radiography
4
human
4
major clinical study
4
male
4
polymerase chain reaction
4
priority journal
rheumatoid arthritis
4
Aged
2
Alleles
2
Anti-Ro antibodies
2
Antibodies, Anti-Idiotypic
2
Antibodies, Antinuclear
2
Argentina
2
Clinical significance
2
Cohort Studies
2
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1
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2
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3
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4JOUR