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Adult
4
Arthritis, Rheumatoid
4
Female
4
Humans
4
Male
4
Middle Aged
4
Severity of Illness Index
adult
4
article
controlled study
female
human
4
major clinical study
4
male
4
priority journal
4
rheumatoid arthritis
4
Argentina
3
Rheumatoid arthritis
3
disease duration
3
Aged
2
Cohort Studies
2
Disease severity
2
HLA DR antigen
2
Health Assessment Questionnaire
2
Health Surveys
2
demography
2
disease activity
2
hand radiography
2
polymerase chain reaction
2
Alleles
1
-
1
-
2
-
3
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