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"Felty's" Syndrome
- Felty syndrome is a disorder that includes rheumatoid arthritis , a swollen spleen, decreased white blood cell count , and ... The cause of Felty syndrome is unknown. It is more common in people who have had rheumatoid arthritis (RA) for a long time. People ...
- Rheumatoid Arthritis (National Library of Medicine)What is rheumatoid arthritis? Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, and stiffness in your joints. RA is an autoimmune ...