Argentina 4 Rheumatoid arthritis 4 Validation 4 adult 4 article correlation analysis 4 disease activity 4 female 4 human 4 major clinical study 4 male 4 priority journal 4 questionnaire 4 reproducibility 4 rheumatoid arthritis 4 Adult 2 Aged 2 Argentine version 2 Arthritis, Rheumatoid 2 C reactive protein 2 Cronbach alpha coefficient 2 Female 2 Functional capacity 2 HAQ-DI 2 Health Assessment Questionnaire 2 Health Surveys 2 Humans 2 Male 2 Middle Aged 2 Prospective Studies 2