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Rheumatoid "factor-negative" juvenile idiopathic arthritis
- ... closely resembles rheumatoid arthritis as seen in adults.Rheumatoid factor negative polyarticular juvenile idiopathic arthritis (also known as polyarthritis, rheumatoid factor negative) is ...
- What Is Juvenile Idiopathic Arthritis (JIA)? (National Institute of Arthritis and Musculoskeletal and Skin Diseases)Juvenile Arthritis/Start Here ... Juvenile Arthritis ... National Institute of Arthritis and Musculoskeletal and Skin Diseases ... Easy-to-Read ... From the National Institutes ...