Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disease. Epidemiological studies show that the prevalence of RA in mainland China is 0.42%, with over 5 million active cases, making it one ...
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disease characterized by progressive joint inflammation, cartilage destruction, and long-term disability. Early and accurate diagnosis is cr...